P0326 and P0331
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for a loose or broken vehicle accessory or accessory bracket.
- Inspect for excessive engine mechanical noise.
IMPORTANT:
If DTC P0335 or P0336 are also set, diagnose those DTCs first.