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Engine Controls - Tests W/Codes - 2.0L Turbo Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Trouble Codes Terminal Identification Diagnostic Tests Notes Intermittent Faults Scan Tool Will Not Communicate Mil (Check Engine) Light Code P0100: Volume Airflow Circuit Fault Code P0105: Barometric Pressure Circuit Fault Code P0110: Intake Air Temperature Fault Code P0115: Coolant Temperature Circuit Fault Code P0120: Throttle Position Circuit Fault Code P0125: Excessive Time To Enter Closed Loop Code P0130: Front Ho2S Circuit Fault Code P0135: Front Ho2S Heater Circuit Fault Code P0136: Rear Ho2S Circuit Fault Code P0141: Rear Ho2S Heater Circuit Fault Code P0170: Fuel Trim Fault Code P0201, P0202, P0203 Or P0204: Injector No. 1, 2, 3 Or 4 Circuit Fault Code P0300: Random Misfire Detected Code P0301, P0302, P0303, Or P0304: Cylinder No. 1, 2, 3, Or 4 Misfire Detected Code P0325: Knock Sensor Circuit No. 1 Code P0335: Crankshaft Position Sensor Circuit Fault Code P0340: Camshaft Position Sensor Circuit Fault Code P0400: EGR Flow Fault Code P0420: Catalytic Converter Efficiency Below Threshold Code P0440: EVAP Control System Fault Code P0443: EVAP Control System Purge Control Valve CKT Fault Code P0500: Vehicle Speed Sensor Fault Code P0505: Idle Control System Fault Code P0700: Transmission (A/T) Code P1300: Ignition Timing Adjustment Circuit Fault Code P1400: MDP Sensor Circuit Fault Code P1500: Generator Fr Terminal Circuit Fault Summary Wiring Diagrams