Conditions for Running the DTC

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0121, P0122, P0123, P0221, P0222, P0223, P0335, P0336, or P0338 is not set.
The engine speed during engine start is greater than 450 RPM.
The ECM detects greater than 5 ignition events after start-up.
The engine speed is between 420-7,000 RPM and steady.
The engine load is between 10-29 percent dependent on engine speed.
The startup engine coolant temperature (ECT) is warmer than -30°C (-22°F).
The ECM is not receiving a rough road signal.
The throttle angle is steady.
The ECM is not in fuel cut-off or decel fuel cut-off mode.
DTCs P0300 through P0306 run continuously when the above conditions exist.