Question about 1997 Pontiac Grand Prix

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My 97 grand prix idles fast when i start it, normally, if i let it run for a little bit, i can shut the engine off and restart it and it gets better...any ideas?

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It runs fast because the choke and or high idle are set. This is normal, after it warms up, give it a little gas and let off, it should idle down.

Posted on Jun 06, 2010

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1 Answer

1990 Grand Prix starts but doesnt run no power stumbles dies


Could be clog catalytic converter.Tune up fuel filter,coils,air filter.

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I have a 97 grand prix gt and although it has a few little problems the one that is really puzzling is that while I am driving down the road it will die. Now if I put it in neutral it will fire right back...


time for a new computer.
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Feb 16, 2011 | 1997 Pontiac Grand Prix

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My 1999 grand prix stalls and dies at stops.


My Pontiac Grand Prix is also a 99, it has 216,+ thousand miles on it, it runs great, idles good, I need to replace the oxygen sensor tho as it shuts off on me while driving or sometimes coming to a stop. You might try checking the fuel filter and pump as well.

Apr 17, 2010 | 1999 Pontiac Grand Prix

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2000 grand prix, 3800 when it warms up losses power


I would have to say the fuel/water separator filter is clogged up. The filter will remove water and crud from the gas. It looks more like a small can under the car. If the car set up with a low tank of gas, water will condensate inside and once the new fuel sloshes around it gets all this junk off the walls of the tank and that gets sucked in the filter. Try and replace that first..

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I have a 97 grand prix gtp that will start but wont hold an idl


bad fuel pump.- just replace it and your good to go!

Feb 21, 2010 | 1997 Pontiac Grand Prix

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I have a 97 grand prix gt with the same problem


that car should do every bit of 132mph . if it doesn't then try a tune up or there could be a lot of possibilities like
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Jul 19, 2009 | 1999 Pontiac Grand Prix

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1992 grand prix wont hold idle


I replaced a motor in a 97 and the engine was out for a few weeks and I never had a problem with an idle when I put it back together with a whole new engine. I would guess you forgot to plug something back in by the starter. Recheck everything you have done I think this is something simple.

May 23, 2009 | 1992 Pontiac Grand Prix

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97 grand prix gtp starts then immediatly dies


If you have a GTP these engines use a hi output fuel pump. they use a fuel pump resistor located under the battery tray (look up from under the car) This resistor lowers the voltage to the fuel fump when not in boost mode. because of its locatoin it is prone to corrosion. if you bypass the wires and the engine starts and stays running replace the resistor

May 13, 2009 | 1997 Pontiac Grand Prix

1 Answer

Stalling issues


Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Dec 08, 2008 | 1995 Pontiac Grand Prix

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