Additional Inspections
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 the Park/Neutral Position (PNP) switch operation.
- Check the Transmission Torque Converter Clutch (TCC) operation. The TCC applying too soon can cause the engine to spark knock. Go to appropriate DIAGNOSIS article AUTOMATIC TRANSMISSIONS.