Car misfires when idle, could be the problem

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1997 PONTIAC GRAND PRIX
174,000 MILES

Car misfires when idle, could be the problem

Thursday, February 7th, 2013 AT 3:07 PM

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JDL

MECHANIC
16,098 POSTS

Check for applicable trouble codes. To check codes yourself, you need an obd2 code reader. Some of the national brand autostores will check codes for free. The code might tell you which cylinder has a problem? Then you check fuel--spark--compression on that cylinder.

How long since a tune-up?

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Thursday, February 7th, 2013 AT 4:12 PM

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