i have a 1991 trans am LT1.it runs fine wen you first start it but wen it warms up it get a rough idle.then bout 20-30 minute of running at idle itll shut off an not start back for a couple hours.itll

Asked by Jul 26, 2012 at 09:42 PM

Question type: Maintenance & Repair

1 Answer

2,465

Sounds like you might have a bad ignition coil or bad wire. Could also be the Mass Air Flow sensor. What codes has it displayed?

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