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 engine mechanical for the following conditions:
- Compression.
- Sticking or leaking valves.
- Worn camshaft lobes.
- Valve timing.
- Worn rocker arms.
- Broken valve springs.
- Excessive oil in combustion chamber or leaking valve seals.
- For more information, go to appropriate article in ENGINES.
Check for incorrect basic engine parts. Check the camshaft, cylinder heads, pistons, etc. in appropriate article in ENGINES.
Go to appropriate article in ENGINES for diagnosis procedures.