Question about 2004 Pontiac Grand Prix

2 Answers

I start the car it stalls,when i start it again i have to give a little gas for it to stay started.

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  • six2one Oct 30, 2008

    i have the same issue...it has done it since like 40k...i will try cleaning the MAF soon and see if it helps...also FYI...i was using a K&N, which could have gunked it up....but thats all in the past

  • Anonymous Nov 07, 2008

    Same exact thing, and i am using a K&N filter. Guess I better recharge it.lol

  • Anonymous Nov 19, 2008

    my 2004 grand prix with 56000km stalls after start. it is without a pattern - engine warn or cold. Ideas?
    Derrick


  • Anonymous Dec 11, 2008

    I have an '04 grand prix with the same exact problem. I'm going to try both solutions and I will repost results.

  • fordalta Jan 27, 2009

    When I start the car the engine starts but stalls and I have to step on the throttle to get it to start and stay running

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  • 29 Answers

Im going on one 2-3 years with this issue. Not a big deal.

My car has the same issue. My guess (i don't think 300 dollars is worth it for the 1 second inconvenience, so i have not replaced it yet) is the check valve is the fuel pump. If it is, then before you start your car, turn the key all the way, but stop at the run position (the last spot before you crank it) this will cycle the fuel pump. Give it 5 seconds to pressurize, and then start it. When you shut your car off, the fuel in the line starts to seep back into the pump/tank. the check valve is supposed to keep some pressure in there, so if that valve is bad, then when you start your car will burn whatever fuel is in the line and then die. So when you Rev the engine, your cranking up the fuel pump.

Posted on Dec 08, 2008

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  • Master
  • 360 Answers

Sounds like the mass airflow sensor...... check to see if it has bugs or some kind of foreign object blocking the opening

Posted on Oct 15, 2008

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