P0313

DTC P0313

CIRCUIT DESCRIPTION
If the fuel level is low and the engine control module (ECM) detects a lean or misfire condition, DTC P0313 will set.

CONDITIONS FOR RUNNING THE DTC
DTCs P0171, P0174, P0300, or P0301-P0306 are not set.

CONDITIONS FOR SETTING THE DTC
- The ECM detects an excessively lean condition or an excessive misfire.
- The fuel level signal is less than 5.6 liters (1.4 gallons).
- The above condition is met for longer than 10 seconds.

ACTION TAKEN WHEN THE DTC SETS
- The control module stores the DTC information into memory when the diagnostic runs and fails.
- The malfunction indicator lamp (MIL) will not illuminate.
- The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Failure Records.
- The driver information center, if equipped, may display a message.

CONDITIONS FOR CLEARING THE DTC
- A current DTC Last Test Failed clears when the diagnostic runs and passes.
- A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other non-emission related diagnostic.
- Clear the DTC with a scan tool.

TEST

Steps 1-2: