Question about 2004 Pontiac Grand Prix

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I have a 2004 geand am. the motor turns over but wont start. I changed the fuel pump, the ignition is good, fuses are all good but it will not start

I have checked the ignition, fuses, the motor turns over and car will not start

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  • 13 Answers

Check for spark (pull a spark plug and arc it to a grounded surface) and check for fuel to the engine (can be done through the spark plug hole opened by removing the spark plug)

Posted on Apr 17, 2014

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Posted on Jan 02, 2017

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SOURCE: Fuel Injector Wont Spray

check wires at throttle body. can use a 12 volt test light to check for current. if you have spark it is not the ign module. set meter for 12-20volts. should have 2 fuse boxes on this model, one behind right side of dash at floorboard

Posted on Nov 30, 2008

  • 21 Answers

SOURCE: 1990 pontiac j6000 wont start

Crank position sensor bad?
Are you sure the fuel pump is working? Might be the sending unit in the fuel pump that is bad. Clogged lines, clogged fuel injectors, clogged fuel filter, all things that could be checked.

Posted on Apr 07, 2009

  • 491 Answers

SOURCE: fuel pump location 2001 pontiac grand am

The fuel pump is in the fuel tank.Sit in the car.....turn on the ignition switch to run.....listen very closely to the rear of the car...or have someone kneel down by the back wheel.....you should hear a "prime cycle"......the pump running for 2 or 3 seconds if the key was off for 15 seconds before trying this.If you hear silence you most likely need a fuel pump.Before pulling the tank down....check for power on the gray wire at the fuel tank connector just ahead of the rear axle under the car.Check for power with a test light that will last for 2 to 3 seconds as you turn on the key to run.Power means you really most likely need a pump.No power means you may need a fuse or a fuel pump relay.

Posted on Aug 11, 2009

saailer
  • 1868 Answers

SOURCE: My Grand prix won't start...it turns over but

Hello! Does your vehicle have spark? If not; Pull a plug and test for spark. Is the engine in your vehicle supercharged? If not and it is a either the 3.1L or the 3.8L then the lack of fuel flow is caused by a device known as a; "Vapor canister purge valve". If this component is defective (does not purge) fuel will not flow. It can be purchased at most auto part stores for around $25.


Guru.............saailer

Posted on Dec 14, 2009

  • 553 Answers

SOURCE: 1988 firebird formula 5.0 tpi car just died

It sounds like you may have burned out your fusable link. It's a special wire that comes off the starter solennoid and is designed to burn off in the event of an overload. DO NOT REPLACE IT WITH REGULAR WIRE, THIS IS A LEADING CAUSE OF CAR FIRES.
You will want to check for what caused the overload condition that caused the fusable link to burn out in the first place.

Posted on Jun 21, 2010

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Does it have spark ,is there fuel , is there compression ? If you have to ask you should take it to a qualified repair shop !

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The logical thought on this would be to ask if you changed the filter, also if the pump is electric and in the tank, was the strainer changed? If EFI have you checked fuel flow before and after the fuel pressure regulator? Can you hear the pump running? Did you check the fuse for the fuel pump?
I'd start by making sure the pump has voltage, then disconnect the fuel line before the filter and see if there's any fuel in the line. Then have someone just turn the ignition on momentarily to see of the pump is pumping. If it isn't you still have an issue with the pump. Finally, if you have an in tank pump, and have installed an external line pump to save bucks, this doesn't always work because there are check valves in some internal tank pumps that prevent fuel flow.

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I have a 2004 grand am. the motor turns over but wont start. I changed the fuel pump, the ignition is good, fuses are all good but it will not start


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