P0325 and P0330: Notes
WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The KS signal circuits are open or shorted together for 5 seconds.
P0326
- The KS signal indicates an engine knock is present.
- The ECM has commanded the spark retard to a value, which is more than the calibrated value, for a specific engine load and speed.
- The above conditions exist for more than 5 seconds.