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Misfire. Steady 170k miles. 2007 pontiac grand prix. New
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Pontiac Grand Prix GTP: Hi! My 2002 Pontiac Grand Prix is
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I'm having bad acceleration problems in my 2001 grand prix
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Gary
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2008 Pontiac Grand Prix: the spark plugs, O2 censor &..ignition coil
My 2008 Pontiac Grand Prix is idling rough with accelerates poorly. I've already changed the spark plugs, O2 censor & a cracke ignition coil. What could be the problem?… read more
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1997 Pontiac Grand Am: s multiple/random cylinders..misfiring
My 1997 Pontiac Grand Am's multiple/random cylinders are misfiring and my engine is running too rich. I have been told that this can be multiple things but I want to know if it is anything specific. I… read more
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98 grand prix gt: misfire..the coil pack..drove car..same thing
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i have a 1999 grand prix gt v6 3.8 put it on a code reader multiple misfire the car wouldn't start… read more
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99 Pontiac Grand am: 2.4L..ive got a misfire on cylinder #2..exhaust
I'm the owner of a '99 Pontiac Grand Am 2.4L V4. I've got a misfire on cylinder #2 that I can't seem to clear. She's idling rough, and the exhaust putters while in idle. I've already replaced the igni… read more
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2001 grand prix GT: coil pack..crank sensor, fuel pump..spark plugs
My 2001 grand prix GT, 3.8L (non supercharged), has a missfire / stumble problem, we've change the coil pack, ignition module, crank sensor, fuel pump, spark plugs and wires. We have had NO check engi… read more
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1999 grand am: spark plugs, wires, coils..cylinder misfire
i have a 1999 grand am, 6 cylinder. i replaced the spark plugs, wires, coils, and ignition control module. it is still saying random cylinder misfire. what could the problem be?>… read more
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

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GM Grand Master Technician 2007. 14 years experience.

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Dave Nova

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Gary

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Don - Mo Lurch

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John

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Chris (aka- Moose)

Chris (aka- Moose)

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car tech

car tech

ASE Certified Technician

446 satisfied customers

25 years master tech and shop owner

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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