Question about 1998 Pontiac Grand Prix

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1999 grand prix sucking air so bad you can hear it causes car to run real bad or not start at all

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If you hear air it has a vacum, check vacum hoses and in take gasket for leak's. with spray bottle with water spray water around in take gasket till you hear it sucking water.

Posted on Jun 03, 2010

  • thatcher7720 Jun 03, 2010

    i put a new intake and gasket on it thinking that was the prob but still have the same isue

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1999 chevy silverado 5.3 starts then dies out


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1 Answer

My 1999 grand prix stalls and dies at stops.


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95 Grand Prix..Chuggles, chokes, coughs, and stalls & no restart


a bad mss air sensor would cause this, but your engine lights(check engine) should be showing.. Trust me; if you didn't have a crank sensor; it wouldn't run at all. A simple test for you in vaccum lines. get a bowl of soapy water; and while it's running;slowly over each line, liberally put water and soap mixture. If it's sucking air it will bubble at that sight. But a problem with 3.1, and 3.8's(Dorman makes these) are the intakes. They have a problem(all of them!) where a faulty manufacturing problem, causes the back seal to blow out and warp the manifold. You lose vaccum there, and it runs awful. It's about a $179-199.00 part(comes with everything you need in kit) at OReilly and Carquest and Advance . I'll bet that is the dog in this hunt! Good luck

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1 Answer

1999 Pontiac Grand Prix intermittent problem runs rough


i have had two of these problems both on grand prix's , both turned out to be a mass air flow meter. but nethier set a code for the sensor.

Mar 29, 2009 | 1999 Pontiac Grand Prix

2 Answers

Engine falls below 500rpm lights dim and engine stalls out


I had a bad air conditioner compressor that caused this same problem. It had almost completley seized and gave the car some real trouble starting. The burning smell I had was caused from the belt rubbing around the seized pully.

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