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

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

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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
1 person shared problem details
1995 Chevrolet Corsica- 2.2L 4 Cylinder210,000
replaced with formed rubber hose from parts store. 4.99
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