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Engine Vacuum Leak Due to Cracked PCV Vacuum Hose on Chevrolet Cavalier

Problem Description and Possible Solution

The PCV vacuum hose under the upper intake plenum may become brittle and crack causing an engine vacuum leak.

Problem Data
RepairPal Verified
Average mileage: (–)
Engine affected: 3.1L V6
5 model years affected: 1990, 1991, 1992, 1993, more1994
I have this problem
5 people reported this problem
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