1996 Pontiac Grand Am random RPM surges

1996 PONTIAC GRAND AM
180,000 MILES • 6 CYL • 2WD • AUTOMATIC
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ANDREWDERKSEN
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  • 2 POSTS
I have been having this problem for about a year. The RPM will rondomly moves from 900-3400 RPM and all over. seem to be wores in the first 10min of starting the car. sounds like a vaccum problem to me but i dont know what not working properly!?
Oct 3, 2008 at 8:13 PM
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FREELAMA
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  • 4 POSTS
You may want to check your coils I dont know if you have a parts store that will scan your codes but if they do and it comes back as random misfire that may be your answer weak coil/s
Oct 8, 2008 at 4:58 PM
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