Code Enable Criteria

PCM will run diagnostic for this DTC under the following conditions:

• No MAF, MAP, TP, ECT, IAT, CKP, CAM sensor, misfire, fuel injector, VSS, EST, HO2S, EGR or EVAP DTCs are set.
• ECT is 68-230°F (20-110°C).
• IAT is 0 to 158°F (-18 to 70°C).
• BARO is greater than 70 kPa.
• MAP is 2.6-11.6 psi (18-80 kPa).
• TP angle is less than 90 percent.
• Vehicle speed is less than 82 MPH.
• MAF is 3-150 grams per second.
• Engine speed is 600-4000 RPM.

DTC will set when long term fuel trim average is more than 20 percent, short term fuel trim is more than 3 percent.