I have a 1993 Pontiac Grand Am with a 2.5, it runs rough while idling or in gear.. but when i take off down the road it seems to run smooth. What could be wrong?

Asked by May 17, 2014 at 10:17 PM about the 1993 Pontiac Grand Am 4 Dr SE Sedan

Question type: Maintenance & Repair

2 Answers

112,405

Possibly vacuum leak, idle air control valve dirty/faulty or dirty throttle plate.

Thank you so much for the information!!

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