Question about 2004 Pontiac Grand Am

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How to replace a fuel pressure regulator

I want to know how to replace the fuel pressure regulator in my 2004 pontiac grand am. also I want to know if I can get a diagram showing how to reple it.

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  • Anonymous Mar 19, 2014

    starting issues, not staying running. shuts of while idle.



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The fuel pressure regulator is on the end of the fuel rail it is held on by a torx screw relieve the fuel pressure using the schrader valve on the fuel rail remove regulator holding screw and replace new regulator be carful not to damage o-rings on new regulator

Posted on Nov 02, 2008

  • rustee Oct 26, 2011

    after replacing the fuel pressure regulator the car ran great twohours later the car wouldnt start motor wouldnt turn lover



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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

first check the fuel filter. check before and after the filter if you get fuel before it then check after it, no fuel before go back to the pump. if you get fuel after then go to the fuel rail on the motor. open the line before the pressure regulator, if you get fuel then check after the regulator, if none after then the regulator is bad, if the regulator is vacuum assisted check your vacuum.

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How to check diaphram on a 2004 grand am gt fuel rail

If your referring to the fuel pressure regulator than pull off the vacuum hose that is attached to it. Start the engine. If gas comes out replace it. If no gas comes out its probably fine.

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Have a 2004 grand Android v6 replaced fuel pump Android fuel filter. The next thing must be the fuel pressure regulator were is it Android were do I check the pressure at Android were is the fuel rail...

the fuel test port is right behind the power steering pump. You will see a black plastic cap right behind one of the power steering lines. Remove the cap and you will see the schreader valve.

The fuel pressure regulator is on the drivers side of the engine next to the throttle body right where the throttle cable is attached. there will be a vacuum hose on the top of it a steel line coming out of the bottom and there will be a single bolt holding it to the fuel rail. Remove the vacuum hose from the top, start the engine, and see if fuel comes out. If it does than the regulator is leaking and needs to be replaced.

Feb 10, 2012 | 2004 Pontiac Grand Am

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Mar 02, 2011 | 2004 Pontiac Grand Prix

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2004 pontiac grand am replaced O2 sensor, spark plugs, plug wires and fuel pressure regulator. starts easily. idles very rough. When accelerating car runs well. When cruising on freeway with engine...

Idle air control motor(IAC). EGR valve. And vacuum leaks to include the brake booster and if you have a plastic intake, that too. this is a start there are other things that will have the same symptoms. let me know

Nov 12, 2010 | 2004 Pontiac Grand Am

1 Answer

I put a new fuel pump in and still wont start

ok if the fuel pump is energizing and you can hear it turn on then the pump is working fine and you probably have a restriction. i would replace the fuel filter. when you replace the pump did you replace the strainer on the pump? if not then thats where your problem lies. also could be the fuel pressure regulator also. there is a schrader port on the fuel rail try taking a pen and press down on the core to see if fuel squirts out. or connect a fuel pressure guage to the port and see if you have the right fuel pressure. it should run between 35 and 47 psi

Aug 09, 2009 | 2004 Pontiac Grand Am

1 Answer

How to replace a fuel pressure regulator

Is it the 3400 v6 or the 2.2l four cylinder? If it the v6 then what you have to do is first know where it is. It located on the end of your fuel rail on the driver side of the car. There will be a plastic hose coming off the top of the regulator, unplug it. You then have to undo your fuel line that runs into the bottom of the regulator. You have to use a wrench to get it off, not sure what size it is. Once you undo the fuel line the next step is to unbolt it from the fuel rail. There will be two screws that run in the side of the fuel pressure regulator that are facing the driver side of the car and are threaded in towards the passenger side of the car, just undo those two screws and the regulator should come off. Just repeat the process backwards to put it back on.

Dec 09, 2008 | 2004 Pontiac Grand Am

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