Circuit/System Testing: P0326
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for a loose or broken engine mount, engine mounted accessory, or accessory mounting bracket.
- Inspect for excessive engine mechanical noise. Refer to Symptoms - Engine Mechanical .
IMPORTANT:
If DTC P0325, P0327, P0328, P0330, P0333, P0335, or P0336 are also set, diagnose those DTCs first.