Question about 1993 Pontiac Grand Prix

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Car idles rough, when i step on the gas it bogs out, dies @ stops

I have a 93 grand prix the problem started when i was driving at 70 mphs it idles real rough and just bogs down real bad when i get to 65 mphs and at 2500 rpms also it sounds like my muffler fell off but everything is connected......i dont know what the hell to do

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What about the hose that fell out

Posted on Sep 11, 2015

  • Delilah acuna Sep 11, 2015

    What about the hose that fell out

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Change your air filter

Posted on Jan 15, 2009

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1 Answer

Grand prix bogs when coming off of a stop


Have you checked at all the fuel pressure or the fuel pump?

Sep 14, 2012 | 1993 Pontiac Grand Prix

1 Answer

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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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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My 1990 pontiac grand prix le will start and idle fine but when you give it gas and it gets up to 2000 rpm it bogs out and dies! hELp! what can it be?


it could be either a clogged catalytic converter, or a mass air flow sensor. One way to check the cat is to let the car run for about 10 minutes and look at the underside of the car to see if anything is glowing, or check it after a very short drive. To check the Mass airflow sensor locate it and unplug it while the car is running and see if it clears up.

Feb 05, 2010 | 1990 Pontiac Grand Prix

1 Answer

My 1997 Pontiac Grand Prix Gt 3.8 ltr.isn't running right.


This is a known issue for your model and for GrandAm's. Best to take it to your dealer.

Aug 13, 2009 | 1997 Pontiac Grand Prix

2 Answers

1993 grand prix dying


provided you don't have a vacuum leak, (check all hoses for tightness and cracks with engine running) it's probably your idle air control valve or sensor.

May 21, 2009 | 1993 Pontiac Grand Prix

1 Answer

Rough idle


had the same issue with mine, a full tuneup and a really good cleaning for the throttlebody cleared mine up.

Apr 18, 2009 | 1993 Pontiac Grand Prix

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