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

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: 210,000 (210,000–210,000)
Engines affected: 2.2L 4 Cylinder, 3.1L V6
7 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996
9 people reported this problem
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replaced with formed rubber hose from parts store. 4.99