Typical Enabling Conditions

P0031, P0032, P0051, P0052 (A/F sensor heater - Sensor 1)

P0037, P0038, P0057, P0058 (O2 sensor heater - Sensor 2)

P0100 - P0103 (MAF meter)

P0110 - P0113 (IAT sensor)

P0115 - P0118 (ECT sensor)

P0120 - P0223, P2135 (TP sensor)

Monitor runs whenever following DTCs not present

P0125 (Insufficient ECT for closed loop)

P0171, P0172 (Fuel system)

P0300 - P0306 (Misfire)

P0335 (CKP sensor)

P0340 (CMP sensor)

P0500 (VSS)

P2196, P2198 (A/F sensor - rationality) P2A00, P2A03 (A/F sensor - slow response)

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