91 gmc sierra after it warms it will shut off at red lights, stops,and in traffic .i keep my foot on the gas to keep it runnig

Asked by tommy23mann Jul 18, 2013 at 10:56 PM about the 1991 GMC Sierra 1500 C1500 SLE Standard Cab Stepside SB

Question type: Maintenance & Repair

How do i fix it

201,065

dandyoun answered 11 years ago

Sounds like idle air control valve needs cleaning or replaced. Could also be throttle position sensor.

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91 gmc sierra after it warms it will shut off at red lights, stops,and in traffic .i keep my foot on the gas to keep it runnig 1 Answer

How do i fix it

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