Results of Incorrect Operation
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
A plugged valve may cause the following conditions:
- Rough idle
- Stalling or slow idle speed
- Oil leaks
- Sludge in engine
A leaking valve would cause:
- Rough idle
- Stalling
- High idle speed