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.
P0121
- The engine speed is greater than 480 RPM.
- The fuel is not disabled for safety reasons.
- DTC P0121 runs continuously once the above conditions are met.
P0122, P0123, P0222, and P0223
- The ignition is ON, or the engine is operating.
- The fuel is not disabled for safety reasons.
- The DTCs run continuously once the above conditions are met.
P0221
- DTCs P0100, P0101, P0102, P0103, P0121, P0122, or P0123 are not set.
- The engine speed is greater than 480 RPM.
- The fuel is not disabled for safety reasons.
- DTC P0221 runs continuously once the above conditions are met.