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Chevrolet Suburban 1500 Problems

Highter Than Nornal Idle Due to Vacuum Leak on Chevrolet Suburban 1500

Problem Description and Possible Solution

An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.

(6 people reported this problem)

Chevrolet Suburban 1500 Vehicles With This Problem

RepairPal Verified
Average mileage: 190,000 (190,000–190,000)
Engine affected: Gasoline
4 model years affected: 1992, 1993, 1994, 1995
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Brake problem? Or maybe a faulty head gasket cylinder?
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