THE IDLE IS HIGH AND IVE CHECK FOR VACUUM LEAK ...

1984 GMC Sierra

Tiny

Wehrwein

February, 5, 2013 AT 3:45 AM

The idle is high and I've check for vacuum leak but it was fine. What else can it be

1 Answer

Tiny

Jacobandnickolas

February, 5, 2013 AT 3:06 PM

Do you have a carb on the vehicle or is it fuel injected? If fuel injected, check the idle air control valve. If it has a carb, you can adjust curb idle speed on the carb itself.

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