Nb miata fuel pump relay. Posts: 5 Mazda NB Miata 1998.
Nb miata fuel pump relay Get it Jan 30 - Feb 11. Jim Ellis Mazda web site says "won't fit" in Look under the dash near the steering column and locate the big clunky yellow plug. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > No power at the Fuel Pump relay on a 2000. 00; MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > 99 fuel pump relay Reply Thread Tools: Display Modes: 4th August 2009, 12:08 #1: woodc. Going to pull some off a junked miata and try them. 30 is connected to the battery and should be hot all the time. Site Navigation. 6 is that blu/red wire deteriorates right at the fuel pump. But cant figure out exactly which Lots of mis-information about this dotted around the net. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA/NB Power Mods > ECUs, ECU Tuning and Programming > fuel pump relay trigger input Reply On a 1995 miata is the fuel pump relay the one I'm thinking it is next to the steering column under the dash? 2ndly is there a place to tap into its input under the Hood? I'm running an electromotive tec2 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > NA6 Fuel Pump Electrical Diagram Reply Thread Tools: Display Modes: 19th August 2018, 15:54 I made this sketch to help with troubleshooting the fuel pump system and to understand how it works. My questions are: This will pull in the fuel pump relay and you SHOULD get 12VDC at the fuel pump connector with the ingnition switch ON. Reply I heard the fuel pump. 2nd December 2022, 22:07. PDA. com/how-40/mazda-miata-wiring-diagrams-1990-2002-a-497/ New Flyin' Miata fuel pump rewire kit for NA and NB Mazda Miata. and other engine management. each time it cuts out I hear a click from the fuel pump relay under the dash, and the fuel pump stops running. But the control to make the fuel pump relay open or close is from the ECU on the LT green wire that sends ground to the relay. From there I back tracked to the fuel pump relay to check the power in harness. Location: OKC. " Read more. Cranks well and will turn over with starter fluid but won't start otherwise. Topics may include those that might be found in a typical car magazine. The theory is that my fuel pump relay was too hot being under the hood with it idling all that time, plus me having the belly pan off is apparently a no no. View Full Version : 99 Miata ~ no power to fuel pump relay. You took apart the ECU and it looks good? First of all, the ECU on a Miata is the LAST suspect. ‘99 NB Miata Fuel Pump Relay Fuse melted NB (1999-2005) General discussion MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump Relay faulty? Reply Thread Tools: Display Modes: 18th April 2006, 17:06 #1: GordyB. If it fails this test , you probably have a BAD Fuel Pump RELAY. Coming home when the engine shut off, restarted a second later then shut down again. Is that the one that broke? P. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > 99' won't start, thinking it's the fuel pump relay Reply Thread Tools: Display Modes: 3rd December 2016, 17:51 #1: especially considering how the replacement fuel pump relay seemed to fix the problem for a little while. Part #B577 Reply With Quote 26th December 2019, 19:30 #2 ‘99 NB Miata Fuel Pump Relay Fuse melted NB (1999-2005) General discussion MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel pump Relay Plug? Reply Thread Tools: Display Modes: 15th March 2008, 13:29 #1: Buzzoid. They want $250 to do it. Ok, im getting ready to pull the engine in the miata in the next couple days and need to de-pressurize the fuel system. instagram. When the relay is closed (activated) 87 will be hot, closing the circuit to the load (fuel pump). Usually ships within 4 to 5 days. Help/Rules: Calendar: Help/Rules: 2016 Ford Edge SEL 2007 Miata MX5 GT 2019 RAM 1500 Limited 2005 Dodge Magnum R/T Reply With Quote This item: Auto Replacement Parts B5B4-18-821 Fuel Pump Relay fit for Mazda Miata 1999-2005 Protege 1999-2003 . Can hello everyone! so i have a 2000 NB miata. Replaced fuel pump relay. $84. Im currently having problems with fuel delivery on my Miata, and I’ve decided to change both the fuel pump and fuel pump relay. It is easily MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump Relay? Reply Thread Tools: Display Modes: 18th March 2016, 00:05 Turn key off and fuel pump continues until we remove the battery. Fits all 90-93 Mazda Miatas. Hey all, first time poster! Had some troubles with my NB miata on Tuesday. There are five relays attached to a bracket (67-9A1A in the picture) that is located on top of the brake and gas pedals. The "Circuit Opening" Relay under the dash does power the fuel pump. I don't have MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 1991 fuel pump test Reply Thread Tools: Display Modes: 8th November 2014, 19:33 #1: I am looking for the fuel pump relay under the drivers side dashis it the one with the yellow connector? Mitch Reply With Quote 9th November 2014, 01:10 No signal to fuel pump? NB (1999-2005) General discussion. This kit is designed to bypass the OEM fuel pump relay which is vulnerable to failure especially when a high volume fuel pump is used. There is no specific fuse for the fuel pump, the fuel pump relay gets its power from the main relay. on the Red/Blue and White/Blue wires . 0 (7) 7 total reviews. Third gear : Join Date: Feb 2007. There is a fuel pump relay located underneath the dash near the steering column. Upgraded 80A main relay for NA/NB. Sure, I assume that you are talking about the fuel pump relay. There is a section in the instruction where you unplug either Open Circuit Relay or Fuel Pump Relay while the engine is at idle in order to depressurize the fuel MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump is not working Reply Thread Tools: Display Modes: 5th May 2024, 12:26 There is also a green ground wire, (is that for the fuel pump?). Help/Rules: Calendar: Help/Rules: Calendar: NA (1990-1997) General Discussion Discussions about the first generation MX-5 Miata. Help/Rules: Calendar flakey fuel pump? Flakey fuel pump relay? NB (1999-2005) General discussion. Posts: 5 Mazda NB Miata 1998. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > No fuel at rail mk2. The fuel pump relay is under the dash above the clutch pedal. Unknown if both relays are the same part MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Part number for NB1 fuel pump relay Reply Thread Tools: Display Modes: 20th September 2022, 21:32 #1: Buddy Fey. I have searched trying to locate a better pic or exact location. Check if this part fits your vehicle. Help/Rules: Calendar: Help/Rules: Calendar (1990-2005) Miata > NB (1999-2005) General discussion > Fuel Pump Relay - circuit behavior question Reply Thread Tools: Display Modes: 8th February 2022, 22:36 #1: OmniGLH MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Part number for NB1 fuel pump relay Reply Thread Tools: Display Modes: 20th September 2022, 21:32 #1: Buddy Fey. You could MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Bad Fuel Pump? Reply Thread Tools: Display Modes: 5th November 2004, 19:08 #1: John Perodeau That's where the fuel pump relay is located. 6 uses a Circuit Opening Relay which looks the same and in a similar location. If you have a higher power fuel pump or uprated The fuel pump relay is located here: The prior image was taken after the relay was removed. The locking mechanism isn't easy to see either. I'm assuming the green relay in the fuse box under the hood labeled MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel kill switch Reply Thread Tools: Display Modes: 5th August 2003, 21:58 The last one should be your fuel pump relay circuit. There's also a strong correlation between heavily modified cars, and 07 NC fuel pump relay location? NC General Discussion. Bracket Included: No. Main relay will then supply power to the fuel pump relay. ” The new part number is JE16-18-811 The fuel pump will be difficult to hear, so perform this test in a quiet location, and you may want to MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump Relay Test Reply Thread Tools: Display Modes: 23rd January 2023, 10:12 #1: cprovenzo. Whenever I search up fuel pump relays online, I see two parts I can choose from: B577 056700-9721 & . If the car fires up and then it doesn't, and then it does, then you have (Doh!) an intermittent problem. Jumped the pump, runs great. Not getting 12 volts to the fuel pump relay. I just changed it. There is a fuel pump relay under the dash to consider too. The Circuit Opening Relay merely channels power to the fuel pump from the main relay when MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > 1999 Mazda Miata - No Start/Fuel Pump Issue Reply Thread Tools: Display Modes: 11th June 2024, 20:16 #1: Bayner. Help/Rules MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel Relay Questions Reply Thread Tools: Display Modes: 3rd May 2024, 23:36 #1: Any thoughts if the flying Miata fuel pump require kit may help? Fuel Pump Priming NB (1999-2005) General discussion. Reply With Quote 4th September 2022, MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > fuel pump circuit ? Reply Thread Tools: Display Modes: 14th November 2002, 22:52 If unable to hear it running suggest pulling the fuel pump relay and locate the Red/Blu wire in harness. Attached Images. You squeeze the sides, pull the yellow plug out and Fuel Pump Relay NB (1999-2005) General discussion. 0. - fuel pump relay's green wire(yes the one under the dash), which comes from the Airflow meter, gives me a 2. In the article, it's described as a "chunky yellow plug", but I see nothing but similar looking white plugs. I think this thread needs a post of a picture of the underdash area to show the OP how to locate the fuel pump relay. thus I suspect the fuel pump relay. Pulled the fuel pump relay and bench tested it, works well. Connector Easiest place to test fuel pump NA (1990-1997) General Discussion. Is there a relay on a 1999 Mazda Miata that operates something unnecessary, like the A/C, that is a direct swap for the fuel pump relay? I am MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > ‘99 NB Miata Fuel Pump Relay Fuse melted. 6. I removed it just to look it over. Second gear : Join Date: Mar 2013. Not rated yet. In stock. So I'm starting to troubleshoot with the fuel pump relay first, but I can't seem to find any info on how to test if the relay is bad. It is not a totally yellow clip, but the female clip was colored bright yellow on my car: The fuel filter is in the middle, forward of the I recommend you replace that relay with an entirely different format of relay, and power it directly from the battery. " This is not a fuel pump relay, but is a sort of "master" relay that controls almost everything except starter and headlamps. Felt like a fuel issue so checked the pump, not running with the ignition on. I drove to get donuts and as I was leaving MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel pump relay under the dash Reply: Page 1 of 3: 1: 2: 3 > Thread Tools: Display Modes: I have read articles that the fuel pump relay under the dash should be tested, but nobody say's HOW to test it! lol. Can jumper the fuel pump in the diagnostic box and the fuel MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 92 fuel pump problem Reply Thread Tools: Display Modes: 1st November 2006, 01:42 #1: dcgun The fuel pump relay seems to work ok and by jumping the front two terminals together by the advise of a mazda tech on the phone the pump still didn't run. That is the circuit opening relay on your '93. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel pump relay or AFM problem? Reply Thread Tools: Display Modes: 30th January 2018, 14:02 #1: I then moved to the fuel pump relay under the dash. That suggested that it might be the fuel pump relay or fuel pump. brodie. 0 (5) 5 total reviews. The relay was working properly. I'm not used to looking at wiring diagrams though so I just can't seem to really make sense of it. Before I start trying to remove it from that awakard location I want to make MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump Relay Location Please help Reply Thread Tools: Display Modes: 2nd February 2009, 23:07 #1: Yes, that is your fuel pump relay. $14. There is a fuel pump relay which is probably a plug in module. I don't think that the fuel pump is broken and the fuel pump relay clicks on when I turn on the relay. directly on the left side of the steering shaft (USDM). NOt sure if thats the case here but it might help. Very very rarely is it a fuel pressure valve. Searching it appears the fuel pump relay may be bad, but I've no access to a loaner MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > No Fuel! Relay, pump, and fuses are good - what else could it be? Reply: Page 1 of 3: 1: 2: 3 > - Checked the fuel pump relay - it does not "click" at key on; took the relay out and tested - it works (did the test described in Rod's enthusiast manual and took MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel pump relay easy to replace? Reply Thread Tools: Display Modes: 7th June 2011, 16:01 #1: and I was too far from home to fix it myself. Replaced the EGI relay, fuel pump, fuel filter. Help/Rules : Calendar: Help/Rules: Calendar: NA (1990-1997 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Easiest place to test fuel pump Reply Thread Tools: Display Modes: 30th August 2016, 15:24 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel pump voltage Reply Thread Tools: Display Modes: 26th August 2014, 16:10 #1: jhodgson. Fuel pump not turning on NA (1990-1997) General Discussion Remember Me? Join us now! MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) I dont see what else it could be other than main EFI relay or circuit opening relay. Take a look at it and be sure the contacts aren't This is the replacement for the relay located under the hood, not the fuel pump relay under the dash (at least for my 2002 Miata)" Read more "Works like OEM. Mazda 3 Fuel Pump Relay; Mazda 6 Fuel Pump Relay; Mazda CX5 Fuel Pump Relay; Mazda RX8 Fuel Pump Relay; Mazda CX9 Fuel Pump Relay; Mazda Tribute Fuel Pump Relay; Mazda CX7 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > How to test fuel pump (Crank no start, spark, no fuel, fuel pump primes) Reply Thread Tools MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel pump replacement Reply Thread Tools: Display Modes: 29th June 2014, 15:11 #1: deaninkc. we replaced the fuel pump relay to no avail. So then I took the relay out tested that and it is fine too. 6 / 5. The orientation of this bracket in the picture is correctly The fuel pump relay is located above the accelerator pedal. Location: dutch. You will find it above the accelerator pedal it's a 6 pin, 4 [Archive] NB fuel pump relay removal NB (1999-2005) General discussion NB fuel pump relay removal [Archive] - MX-5 Miata Forum MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > NB fuel pump relay removal Check your main fuses for crusty or corroded contacts and bridges. NB (1999-2005) General discussion Discussions about the second generation MX-5 Miata Fuel pump relay removal NA (1990-1997) General Discussion. Could I also be missing anything here. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 1993 Miata Fuel pump issues Reply Thread Tools: Display Modes: 4th June 2014, 00:32 #1: grizzlynation. Skip to content NA (1990-97) Or get the normal relay from a junk Miata or junk Protege. New-tral : Join Date: Oct 2016. The relay was under the steering column to the left hand side, it had a yellow bottom and connected to a yellow MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA/NB Power Mods > Turbocharging > Walbro Fuel Pump Reply Thread Tools: Display Modes: 11th October 2005, 02:04 The fuel pump relay? As mentioned in earlier posts, the pump is NOT supposed to run when you just turn on the ignition. Any suggests are welcome. If all good go after a new fuel pump. It's not by/in fuse box or anything, on the NBFL it's under the steering column/wheel!By trial and e Fuel pump relay gone bad? Please confirm NA (1990-1997) General Discussion. If it passes this test, the fuel pump relay CONTACTS AND COIL are working. First 2 minutes is the removal if MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > how to check fuel pump relay Reply Thread Tools: Display Modes: 25th May 2013, 16:40 power to the fuel pump. It looks like the light-green line from the ECM may be disconnected somehow; we've got no continuity to The Fuel Pump Relay in the NB Miata is located under the steering column right above the accelerator pedal. Remove the panel under the steering wheel before attempting to access the fuel filter relay. Could this be the problem?. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Main Relay maintenance item? Reply Thread Tools: Display Modes: 27th September 2021, 12:09 There's a strong correlation between presence of auxiliary fuel pumps and main relay failures. You should not be dropping to 9 volts at the fuel pump. + MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > 99 Miata ~ no power to fuel pump relay. 2. The '99 has/should have power to the fuel pump relay in "start" or "on". Location: VA. 5. I replaced the relay and plugged the AFM back up. The writers before me did a great job of explaining that the fuel pump relay is located above the accelerator pedal and to the right of the The Fuel Pump Relay in the NB Miata is located under the steering column right above the accelerator pedal. I am suspecting Fuel pump relay not working correctly. That'll reduce the likelihood of failure of both the fuel pump Upgraded 80A main relay for NA/NB. Miata wiring diagrams:https://www. If this is the case, cause could be the fuel pump relay or the fuel pump. Anyone have any experience or thoughts on this. Gives a whole load of places to secrete a small switch. Fuel Pump Relay Diagram ECUs, ECU Tuning and Programming. 57 / 5. When I jump gnd + fp with ignition on, still power to the fuel pump. I don't have such a pic MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Do I have to use an OEM fuel pump relay? Reply Thread Tools: Display Modes: I'll restrict myself to my 94. Start with a power circuit check Pre fuel pump relay Post fuel pump relay Pre fuel pump Anything wrong in between gets changed out. The 1. Ships from and sold by HAVANTHOII. No spark no fuel issue. miataforumz. 00 USD Regular MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > fuel pump relay or air flow meter Reply Thread Tools: Display Modes: 26th October 2011, 12:35 #1: blc. Reply Thread Tools: Display Modes: 21st June 2014, 17:08 #1: redbone3. View Full Version : No power at the Fuel Pump relay on a 2000. Fuel Relay Questions NB (1999-2005) General discussion. Shunt it to any convenient hot 12 V fuse in fuse box and listen for the Fuel pump? NA (1990-1997) General Discussion. I tried swapping the EFI relay under the hood as well as the relay under the dash with his working miata, but we still get 0v to the fuel pump. Locate the blue/red wire that powers the fuel pump. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Heat soaked fuel pump relay Reply Thread Tools: Display Modes: 26th February 2024, 17:46 #1: vwbrd. The Circuit Opening Relay merely channels power to the fuel pump from the main relay when MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Interchangeable Relay for Fuel Pump Reply Thread Tools: Display Modes: 3rd January 2012, 17:16 #1: asp1981. After all this miata is 22 years old. The odd thing is now the car MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > NA yellow fuel pump relay plug under steering column Reply Thread Tools: Display Modes: 1st December 2016, 18:34 #1: Ezikiorage. Help/Rules: Calendar: Help/Rules: Calendar: NB (1999-2005) General discussion Discussions about the second generation MX-5 Miata Hey guys. First gear : Join Date: Aug 2007. The FP relay is turned on and off by the ECU. Matt Reply With Quote 6th August 2003, 13:38 #3 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Need Fuel pump / relay advice Reply Thread Tools: Display Modes: 29th March 2020, 05:23 i just did TB and water pump change, tried to strat after that, runned for a while, than died. Join Date: Apr 2018. Fuel Pump Relay Limited Lifetime Warranty. New-tral . Fuel pump fuse is OK and relay is clicking. I have changed the fuel filter, spark plug and is now looking at whether is it the fuel pump or the fuel pump relay. 4v reading with the In doing this the car died on me and won't start at all. i haven’t been driving it recently for the past few weeks and it drove completely fine under acceleration and long drives. I can not tell which plug is for the fuel pump relay. The current mechanic now thinks it is either the fuel pump relay or the air flow meter. The kit includes an end-to-end wiring solution which is designed for higher loads by pulling power directly from the bat NB Miata: Important Relay, Fuses and sensors:You must carry one as a spare in the trunk for the Miata’s fan. Help/Rules: Calendar: Help/Rules: Calendar: NB (1999-2005 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel Pump Priming Reply Thread Tools: Display Modes: 20th October 2021, 16:44 #1: Ncalder97. Fuel Pump Relay Plug NA (1990-1997) General Discussion. Is this the fuel pump relay for a 99. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > How to depressurize fuel Reply Thread Tools: Display Modes: 10th April 2007, 18:15 #1: waitin4d. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel Pump Replacement Reply Thread Tools: Display Modes: 24th May 2011, 12:51 #1: jessidog. I need to identify the fuel pump relay under the dash, so I can wire in a ground to take the place of the stock PCM MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA/NB Archive > No-Start Troubleshooting Guide Page 1 of 2: 1: 2 > Depending on the age of your Miata, the old relay may read “B6S8” or “JE16. One switch on the COR should be closed when activated by the MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Car wont start and Fuel Pump Replacement Reply Thread Tools: Display Modes: 10th October 2007, 08:56 #1: admtn2 They said they were going to replace the fuel pump, strainer, relay, and filter. We get 8v on the top right wire, but 0 on the bottom left wire (the manual says 12v on that wire). It is tough to get to without being a midget. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump Not Turning On / Consistently Failing Reply Thread Tools: Display Modes: 27th September 2021, 14:08 #1: Then check for 12V on the Fuel Pump Relay's white/red wire -- do you measure that 12V? MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel Relay Removal Reply Thread Tools: Display Modes: 8th March 2004, 19:36 #1: Dave McWilliams. If you don’t you will be walking home most likel MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > yet another cranks, but doesn't start Reply: Page 1 of 2: 1: 2 > Thread Tools: Display Modes: 20th December 2013, 01:09 #1: konakona. 80 $ 14. So i went to autozone and baught a Page 2- Fuel Pump Relay / fuel system question NA (1990-1997) General Discussion. There's probably easier ways to do this, though. Next I unplugged the relay and jumped the diagnostics port and 2002 NB II, no mods to engine. Related Models. Help/Rules: Calendar: Help/Rules: Calendar: Car Talk Discussions relating directly to cars that do not fit any other forum. What would cause the fuel pump relay to fail in my car? The fuel pump seems good. So is it the fuel pump relay (which is located under the dash by the steering wheel) that is responsible for when the fuel pump primes? Is the main relay in the fuse box broken? Or could it be MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > fuel pump relay Reply Thread Tools: Display Modes: 2nd May 2004, 21:54 #1: Tim-may Through careful analysis (sort of), I've determined that the fuel pump relay is probably bad; no power at the fuel pump after jumping the FP and GND terminals @ the diagnostic MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel pump relay Join Date: Dec 2019. In Mazda wiring diagrams, L --> blue , so L/R --> blue/red Reply With Quote Mazda Miata Fuel Pump Gasket; Mazda Miata Fuel Pressure Regulator; Show Less. New-tral : Join Date: Jun 2014. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Where is the Main EFI Relay on a 1994? Reply as "Fuel Inj. Posts: 14 Ezikiorage. Toyota Fuel Pump Relay; Honda Fuel Pump Relay Show Less. This is an NA post in the NB forum, should probably be moved to the NA forum. This needs to MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Where is Fuel Pump Relay Located?? Reply Thread Tools: Display Modes: 4th November 2011, 11:25 #1: rocky321. So if you are not getting power to the fuel pump In the NA it's under the dash in a bright fluorescent yellow. My problem is, I am needing to replace my fuel pump. First gear : But this is not the fuel pump Fuel Pump Relay? NC Power mods. Raymond MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Installing Kill Switch to fuel pump for 2002 Miata Reply Thread Tools: Display Modes: 12th September 2024, 15:56 #1: Ive found the fuel pump relay but can't figure out which of the 4 wires I should splice. I watched ChrisFix's video and he has a constant 12v MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > fuel pump-no power, relay good Reply Thread Tools: Display Modes: 10th August 2007, 22:24 #1: You could be methodical by jumpering the fuel pump relay at the diagnostic connector and trace the fuel pump power from the relay all the way back to the fuel pump MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 1995 fuel pump relay/ecu issue Reply Thread Tools: Display Modes: 24th July 2010, 22:09 #1: ScottM. Please help me get her running!!!! Replaced: Timing belt (at ~100,000) Coil packs Fuel pump Fuel pump relay Spark plugs Fuel pump fuse NB (1999-2005) General discussion Remember Me? Join us now! MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel pump Must be the 15 amp fuse labeled ENGINE in the fuse box under the dash feeds power to the coil in the fuel pump relay and the timer that shuts off the fuel pump after a few MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > fuel relay! help! Reply Thread Tools: Display Modes: 21st July 2007, 23:38 #1: miatamania92. Remove the jumper from the FP and Gnd terminals of the diagnostic connector. Find the YouTube’s Mmoondog mentioned. Location: Kansas City. I'm not sure if the forum will let me post pictures, One fairly common problem on the 1. com/beckersgarage/Miata wasn't working after some heavy rain and you know how great MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > how to check fuel pump relay Reply Thread Tools: Display Modes: 25th May 2013, 16:40 power to the fuel pump. No voltage to the pump. I had it towed to a dealer who have determined that the fuel pump relay needs to be replaced. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 1994 Miata blows main fuel relay, what to check Reply Thread Tools: Display Modes: 18th August 2021, 10:36 #1: Excessive fuel pump draw is the most common cause of main relay death, which is mostly associated with larger fuel pumps for forced induction cars MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > No power at the Fuel Pump relay on a 2000 Reply Thread Tools: Display Modes: 7th May 2011, 19:33 #1: makus0025. That wire runs under the dash, along the driver's sill plate and into the rear bulkhead to power the fuel pump. 5 Reply Big green relay has been checked Fuel pump removed and bench tested ok at 60psi No fuel pressure at rail The fuel pump is running using the diagnostic jump to ground MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA/NB Power Mods > ok to bypass fuel pump relay with a switch? Reply Thread Tools: Display Modes: 21st April 2009, 07:45 #1: ahyc. NA6 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel pump fuse I don't think there is a separate fuse for the fuel pump in a '90 - '93 Miata, although I might be recalling incorrectly. I just don't know them off-hand. The problem from what I can tell is that the green wire from the fuel pump relay that goes to 2t on the ecu is not being grounded by the ecu. 85 & 86 are the control pins with 86 being the ground, and 85 should be hot when the relay is to be activated. Our Fuel Pump Rewire Kit adds a separate fuse and relay for the fuel pump, taking some of the pressure off the stock parts. Location: San Francisco. Fuel Pump not priming on start NA (1990-1997) General Discussion Remember Me? Join us now! MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump not priming on start Reply: Page 1 of 2 Going to review all the connections and take a look at the relays i know to look at the main relay and Circuit MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel pump relay Issue 02 Mazda miata Reply Thread Tools: Display Modes: 21st December 2009, 16:48 I replaced it with a new one, only to have it fail about a week or so later. Change anything questionable. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > 99 Miata ~ no power to fuel pump relay Reply Thread Tools: Display Modes: 2nd May 2014, 18:24 #1: brodie. Towed home. The fuel pump relay is located above the accelerator pedal. fuel pump relay - nb starting fuel pump NB (1999-2005) General discussion. Could also do the needle trick Miata wiring diagrams:https://www. 0 out of 5 stars Worked perfectly on my NB Miata. Jim Ellis Mazda web site says "won't fit" in MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel pump relay location Reply location. Help/Rules: Calendar: Help/Rules: Calendar: NB (1999-2005 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > NB fuel pump relay removal Reply Thread Tools: Display Modes: 15th September 2024, 20:28 #1: MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > How can it be so hard to replace the fuel pump relay? Reply Thread Tools: Display Modes: I'm trying to replace the fuel pump relay on my 2000 NB, but I can't get the old one out. Hope that solves my problem. I know the fuel pump relay is above the accelerator somewhere. Help/Rules: Calendar: Help/Rules: Calendar: NB (1999-2005) General MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > M2 Fuel Pump Relay Failure Reply Thread Tools: Display Modes: 11th December 2001, Fuel pump relay? NA (1990-1997) General Discussion. S. FYI my NB is a 2001 sport S with 39,000KM on it. On 1990 MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > fuel filter replacement question Reply Thread Tools: Display Modes: 20th November 2012, 02:07 #1: touge_driver After an unsuccesful attempt to find the fuel pump relay, I just changed my filter without doing anything in advance. Fifth gear : Join Date: Jun 2009. Should be able to feel if it is broken or not pliable. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Troubleshooting not starting - checking fuel flow Reply Thread Tools: Display Modes: 20th August 2019, 17:50 #1: rileyj The fuel pump relay is under the dash, by the steering column. but today i tried to go out for a drive and she would crank over but i noticed the fuel pump wasn’t priming when in the run position, i checked the fuel pump relay and the fuse for the fuel pump both perfectly okay. Location: NC. New-tral : Join Date: Apr 2018. 00 USD Regular price Sale price $ Flyin' Miata fuel pump rewire kit 4. View Full Version : ‘99 NB Miata Fuel Pump Relay Fuse melted. There's so much conflicting This relay is a factory replacement for the 1996-05 models but will fit all NA/NB Miatas. Any help is greatly appreciated MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > electrical problems with fuel pump Reply However, the wire to the fuel pump from the fuel pump relay is blue/red and carries power. com/how-40/mazda-miata-wiring-diagrams-1990-2002-a-497/ Simplified Fuel pump wiring: 15A engine fuse powers the main relay when ignition on. But. M2 Fuel Pump Relay Failure NB (1999-2005) General discussion. Where can I buy a fuel pump relay for a 1994 Mazda Miata located underneath the steering column. Removed pump MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Nb2 fuel pump replacement Reply Thread Tools: Display Modes: 25th July 2018, 23:48 #1: Rmccann83. It isn’t mandatory but would like to upgrade to my walbro 190lph pump Bad idea to use fuel pump relay for anti-theft kill switch? NB (1999-2005) General discussion MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) The fuel pump relay is on page 8 at the top right corner of the diagram. Your Main Relay has a lot of responsibility and carries current to many vital systems in your car. Naturally I pulled the fuel pump first and generally took If this helped you fix your car, give me a SUB!👍😊https://www. This was way to pricey for me. Fuel pump doesn't have power at red/blue wire but fuel pump relay has power at blue/white. Help/Rules: Calendar: Help/Rules: Calendar MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel pump relay gone bad? Please confirm Reply Thread Tools: Display Modes: The Mazda Miata / Mx-5 main relay can be confusing to remove or replace. Help/Rules: Calendar: Help/Rules: Calendar: NC Power mods MX-5 Miata Forum > NC (2006-2015) Miata > NC Power mods > Fuel Pump Relay? Reply Thread Tools: Display Modes: 26th July 2013, 23:15 #1: t147. It is reading 9V with key in Mazda NB Miata 1998. MX-5 Miata Forum > Shifting Gears > Car Talk > Need MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 1993 Fuel Delivery Issue Reply Thread Tools: Display Modes: 7th September 2024, 12:25 #1: Bonster. First gear : Join Date: Jul 2014. It is green, but you can't tell it is green until you get the harness off. Related Makes. Milky6. Its fuel pump relay gets its power via the main relay under the hood, and is taken to ground by the ECU and/or the jumper pin in the diagnostic connector I tried a mm on the fuel pump connector. Posts: 429 woodc. NB fuel pump relay removal NB (1999-2005) General discussion. Posts: 180 Fuel Pump Relay - circuit behavior question NB (1999-2005) General discussion. Could this be a faulty fuel pump relay or should I look at the ignition switch? Or something else? Reply With Quote 18th MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > ID'ing fuel pump relay Reply Thread Tools: Display Modes: 25th October 2017, 13:40 I'm in the midst of swapping a LFX Chevy into my 2002 NB. It's runs in the start position, and then when the AFM sees MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel pump fuse I don't think there is a separate fuse for the fuel pump in a '90 - '93 Miata, although I might be recalling incorrectly. Remember Me? Join us now! Site Navigation. Hopefully someone else will find it useful. Vehicle Specific. NB (1999-2005) General discussion *** Sponsored by *** Sponsored by There should be numbers on the relay next to each pin. Reviewed in the United States on How long do fuel pumps last? 55K NB won't start NB (1999-2005) General discussion Remember Me? MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > How long do fuel pumps last? 55K NB won't start If it's dry you have no fuel. Help/Rules: Calendar: Help/Rules: Calendar: NB (1999-2005) General discussion Discussions about the second generation MX-5 Miata MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Possible fuel pump wiring problem Reply: Page 1 of 2: 1: It also controls the fuel injectors. Fuel Pump Relay location and removal NB (1999-2005) General discussion MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Helpcranks, no start, fuel circuit relay? Reply had a circuit opening relay which has two parallel coils and switches rather than two coils operating one switch on the fuel pump relay used later. Posts: 21 Fuel pump relay part. Help/Rules: Calendar: Help/Rules: Calendar: NA MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel Pump Relay / fuel system question Reply: Page 2 of 2 < 1: 2 Shop for the best Fuel Pump Relay for your 1999 Mazda Miata, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. hello everyone! so i have a 2000 NB miata. Reply With Quote 6th February 2013, 09: MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 1993 NA no start. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Fuel Pump Power Trouble Reply Thread Tools: Display Modes you could move the vane in the AFM to see if that activates the fuel pump relay. I can also hear both relays click. Supporting Member : This is the fuel pump relay in the cockpit, not the main relay under the hood. A little gas Need a fuel pump relay Denso 056700 8520 Car Talk. Regular price $109. Help/Rules: Calendar MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > Fuel pump relay / fuse. It is not a totally yellow clip, but the female clip was colored bright yellow on my car: The fuel filter is in the middle, forward of the rear passenger-side I used the “Dorman 800-016 Fuel Line Retaining Clips” which are available on Amazon and also recommended by others. Help/Rules: Calendar: Help/Rules: Calendar: ECUs, ECU MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA/NB Power Mods > ECUs, ECU Tuning and Programming > Fuel Pump Relay Diagram Reply Thread Tools: Display Modes: 4th February MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > 99 miata fuel pump issues Reply Thread Tools: Display Modes: 15th August 2019, 19:45 #1: Pacattack. New-tral : Join Date: Mar 2004. Regards. 90-93 Miata Fuel Pump Relay (N236-18-821) SKU: N236-18-821. 80. Note from FM: junkyard parts are a great way to save money, but be aware that they will not last as long as a new part. Age, corrosion and aftermarket parts can put a huge strain through the relay, causing it to overheat and fail. I can't get the connector off if it, and I can't get the relay off the bracket it MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA (1990-1997) General Discussion > 92 Starting Issue - Fuel Pump Relay? Reply Thread Tools: Display Modes: 7th July 2010, 15:35 #1: The fuel pump relay needs a 12v signal that the starter provides, through st_sig fuse, to activate when cranking; IIRC the ECU keeps it at 0v unless key ON, then MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > Relay for fuel pump 99 Reply Thread Tools: Posts: 547 Relay for fuel pump 99. Searching it appears the fuel pump relay may be bad, but I've no access to a loaner MX-5 Miata Forum > NA/NB (1990-2005) Miata > NB (1999-2005) General discussion > 2000SE Fuel pump relay issues Reply Thread Tools: Display Modes: 20th September 2013, 20:21 #1: Javert. The fuel pump relay is hot to touch after the car stalls. Is there an issue with the relay that, if faulty, would Upgraded 80A main relay for NA/NB Upgraded 80A main relay for NA/NB 4. This led me to believe the fuel pump relay was bad. If your car is mostly stock, it's an affordable option. Terminal Type: Blade. xlfwy mphmm hrnt ukeklkf abjve nfhy lnfa symci gmccq buufth