Conditions for Setting the DTC
- System is in Closed Loop.
- Canister is not too much loaded.
- Engine speed is greater than 608 rpm.
- Mass air flow is greater than 49 mg/stk.
- Engine coolant temperature is greater than 75 °C (167 °F).
- Barometric Pressure is greater than 749.9 kPa.
- Intake air temperature is greater than -10.5 °C (13.1 °F).
- No fuel system, TP, ECT, IAT, MAF, CMP, Misfire, CKP, MAP, ignition coil or injector faults exist.
- The average short term fuel trim value is less than expected.