what does a bad pvc valve cause

Asked by May 17, 2014 at 03:32 PM about the 1998 Pontiac Firebird

Question type: Maintenance & Repair

my car turns on but won't turns off

2 Answers

107,555

So it starts and runs but when you turn the key off it stays running? If so possibly faulty ignition switch or ignition relay.

107,555

A bad pcv valve will either stick open(causing bad/rough idle or not start condition). Or stick closed (causing to much pressure to build up in your crankcase-oil leaks)

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