Engine Controls Diagnosis (DTC P0031 - P0200)
- Diagnosis
- DTC P0031 or P0037: HO2S Heater Control Circuit Low Voltage
- DTC P0032 or P0038: HO2S Heater Control Circuit High Voltage
- DTC P0106: Manifold Absolute Pressure (MAP) Sensor Circuit
- DTC P0107: Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
- DTC P0108: Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
- DTC P0112: Intake Air Temperature (IAT) Sensor Circuit Low Voltage
- DTC P0113: Intake Air Temperature (IAT) Sensor Circuit Low Voltage
- DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
- DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
- DTC P0122: Throttle Position (TP) Sensor Circuit Low Voltage
- DTC P0123: Throttle Position (TP) Sensor Circuit High Voltage
- DTC P0125: Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
- DTC P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature
- DTC P0130: HO2S Circuit Closed Loop (CL) Performance Sensor 1
- DTC P0131: HO2S Circuit Low Voltage Sensor 1
- DTC P0132: HO2S Circuit High Voltage Sensor 1
- DTC P0133: HO2S Slow Response Sensor 1
- DTC P0134: HO2S Circuit Insufficient Activity Sensor 1
- DTC P0135 or P0141: HO2S Heater Performance
- DTC P0137: HO2S Circuit Low Voltage Sensor 2
- DTC P0138: HO2S Circuit High Voltage Sensor 2
- DTC P0140: HO2S Circuit Insufficient Activity Sensor 2
- DTC P0171: Fuel Trim System Lean
- DTC P0172: Fuel Trim System Rich
- DTC P0200: Injector Control Circuit