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Car Problem Reports

Porsche 911 Engine Valve Guide Wear

 
Porsche 911 Problem
9 Reports
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998

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Engine issues related to valve guide wear are common. Oil consumption, smoking at first startup, and valve train noise are all symptomatic of loose guides and worn valve stems. The valve train is complex and should be thoroughly inspected if a problem arises.

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