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1987 GMC Sierra Repair Question


Topics covered: Abs, Egr valve, Engine.
Mileage: No information provided.

Asked on March 2, 2009

Idle with a/c on

Engine Performance problem
1987 GMC Sierra 6 cyl Two Wheel Drive Automatic 270000 miles

my truck idle starts to slow until my truck dies when i stop like at a red light. or any time i stop , i can keep it running by shifting to neutral what is this/
Avatar Asked by barecat6885

Answer

Replied on March 2, 2009

Check the idle air control valve/throttle position and manifold absolute pressure sensor/PCV and EGR valves to include a fuel pressure test

Tiny Answered by rasmataz
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