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Vern, Shop Foreman
Category: Chevy
Satisfied Customers: 163
Experience:  33 years experience, 22 years GM Training / Experience. Certified Grand Master Technician
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1990 Chevy K1500 5.7l V8 - idle high

Resolved Question:

1990 Chevy K1500 5.7l V8 - idle high
Submitted: 7 years ago.
Category: Chevy
Expert:  Vern replied 7 years ago.
The most common problem on these high idle complaints was a damaged throttle body gasket. The throttle body is the unit underneath the air cleaner assembly The gasket is between the throttle body and the intake manifold.
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