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Pump was working but now it dont

I sent power to the fuel pump and it works i jump the relay the car still want start

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  • Cars & Trucks Master
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What is the make and model

Posted on Dec 05, 2012

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6ya6ya
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Posted on Jan 02, 2017

  • 393 Answers

SOURCE: Fuel pump relay or emergency engine shut off

something is killing the relays poss fuel pump drawing to much amperage check pump with amp probe is pump noisey?

Posted on Dec 19, 2008

  • 2 Answers

SOURCE: 98 Astro Van Intermittant Power to Fuel Pump Relay

I've been bitten by this twice! The culprit both times was the connector plug under the van infront of the fuel tank. the second time the connector pin and socket came loose inside the plug itself,( workes for a while then dosen't). Make sure there is good secure contact made in all sockets in this plug, and the pins are held where they need to be inside the plug itself.

Posted on May 29, 2009

csmock132
  • 4669 Answers

SOURCE: 1987 GMC sierra , no fuel pump power.

The inline fuel pump fuse on the passenger side firewall is good? Are you jumping it with 12 volts at the test lead or the fuse?

Posted on Jun 26, 2009

  • 7 Answers

SOURCE: no power to fuel injectors or fuel pump

sometimes the relays can be found underneath the carpets or plastic panels under the dash. have you checked the fuses?

Posted on Sep 21, 2009

  • 134 Answers

SOURCE: fuel pump relay

first alway check the simple things first like fuses and relays then start playin with changin out parts. under the hood you sould find a fuse panel if the lid does not tell you what is what you need to look into the service manuel find the fuel pump relay and switch it with the same type relay can works some the doesn't effect the engine like a fan relay for expamle. then try to start engine when turning key to the run pos you sould hear a fant hum or whine from the pump. if thats a no go take the main fuel line off before the fuel filter and see if a good stream of fuel comes out when you turn key to run pos.if so replace fuel filter.

Posted on Oct 08, 2009

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1 Answer

Why doesn't it start?


replace complete fuel pump

Dec 11, 2015 | 1996 Dodge Stratus

1 Answer

Ihave a dodge neon 1996 and i dont have power in the fuel pomp and is new i have a feling is a electric problem all redi chek the relay and is good and if i jump this relay the fuel pom work.


if the relay seems to be fine and all fuse are good, and jumping power to opperate the fuel pump at relay works, then there is a broken wire from the ECU to the fuel pump relay, or the ECU is shot.

Jun 18, 2010 | 1996 Dodge Neon

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New fuelpump installed no power supply, pump relay powered, safety relay powered,no bad fuses????


if you have no fuel when the and it just wont start it may be the crank position sensor if it's the 4.0l engine the crankshaft position sensor is on the top of the transmission bell housing on the driver's side and can be accessed from underneath the vehicle and is plugged in at the back of the intake manifold

Apr 13, 2010 | 1996 Jeep Grand Cherokee

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I don't have control voltage to relay. Fuse not blown. Is the PCM possibly bad. I can jump the Normally open contact and i will get fuel pressure and can even start the van with no problem. Ineria...


There are 2 relays that run your fuel system. The first relay is the EEC relay(electronic engine control) and closes the fuel pump relay, so the fuel pump will work. It sounds like all other controls are working when you close the relay manually. I would replace the EEC relay, and this should repair you concern. Craig

Jan 23, 2010 | Ford E-150 Cars & Trucks

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1987 GMC sierra , no fuel pump power.


The inline fuel pump fuse on the passenger side firewall is good? Are you jumping it with 12 volts at the test lead or the fuse?

Jun 26, 2009 | 1987 GMC V1500

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Fuel pump relay or emergency engine shut off


something is killing the relays poss fuel pump drawing to much amperage check pump with amp probe is pump noisey?

Dec 19, 2008 | 1993 Mitsubishi 3000GT

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1987 Volkswagen Golf - fuel pump relay


check for burnt connections where the relay fits in place.and check for 12 volt to one side of small pins with engine cranking and check for earth to the other small pin at fuel pump relay.

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