Engine Mechanical
WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Check for the following engine mechanical conditions:
- Excessive oil in combustion chamber or leaking valve seals.
- High cylinder compression.
- Combustion chambers for excessive carbon buildup.
- Incorrect camshaft timing.
- Check for incorrect basic engine parts. Check the camshaft, cylinder heads, pistons, etc. Go to appropriate article in ENGINES.