Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0101, P0102, P0103, P0341, P0342, or P0343 are not set.
The camshaft position (CMP) sensor signal is incriminating.
The mass air flow (MAF) is more than 3 g/s.
The ignition switch is in the Crank position.