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Engine Controls - Tests W/Codes Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Summary Test Equipment Connector Identification Circuit Tests Notes Malfunction Indicator Light (Mil) Malfunction DTC P0107: Map Sensor Circuit Low Voltage Input DTC P0108: Map Sensor Circuit High Voltage Input DTC P0111: Intake Air Temperature (IAT) Sensor Range/Performance Problem DTC P0112: Intake Air Temperature (IAT) Sensor Low Voltage Input DTC P0113: Intake Air Temperature (IAT) Sensor High Voltage Input DTC P0116: Engine Coolant Temperature (ECT) Sensor Range/Performance Problem DTC P0117: Engine Coolant Temperature (ECT) Sensor Low Voltage Input DTC P0118: Engine Coolant Temperature (ECT) Sensor High Voltage Input DTC P0122: Throttle Position (TP) Sensor Low Voltage Input DTC P0123: Throttle Position (TP) Sensor High Voltage Input DTC P0131: Ho2S-1 Low Voltage DTC P0132: Ho2S-1 Sensor High Voltage DTC P0133: Front Ho2S-1 Slow Response DTC P0135 Or P0141: Ho2S Heater Circuit Malfunction DTC P0137: Rear Heated Oxygen Sensor-2 (Ho2S-2) Low Voltage DTC P0138: Rear Heated Oxygen Sensor-2 (Ho2S-2) High Voltage DTC P0139: Rear Heated Oxygen Sensor-2 (Ho2S-2) Slow Response DTC P0171 & P0172: Fuel Supply System DTC P0301, P0302, P0303, P0304, P0305 & P0306: Misfire In One Cylinder Detected DTC P0335, P0336, P1361 & P1362: CKP/TDC Sensor DTC P0401: EGR Insufficient Flow DTC P0420: Catalytic System Efficiency Below Threshold DTC P0441: EVAP Control System Insufficient Purge Flow DTC P0500 & P0501: VSS Range/Performance Problem DTC P0505: Idle Control System Malfunction DTC P1106: BARO Sensor Range/Performance Problem DTC P1107 & P1108: BARO Sensor DTC P1121 & P1122: Throttle Position (TP) Sensor DTC P1128: Manifold Absolute Pressure (Map) Lower Than Expected DTC P1129: Manifold Absolute Pressure (Map) Higher Than Expected DTC P1297: Electrical Load Detector (Eld) Low Voltage Input DTC P1298: Electrical Load Detector (Eld) High Voltage Input DTC P1300 Or DTC P0301, P0302, P0303, P0304, P0305 & P0306 - Random Misfire DTC P1359: Crankshaft Position/Top Dead Center (CKP/TDC) Sensor DTC P1381 & P1382: CYP Sensor DTC P1459: EVAP Purge Flow Switch Malfunction DTC P1491: EGR System Malfunction DTC P1498: EGR Valve Lift Sensor High Voltage DTC P1508: Idle Air Control (IAC) Valve DTC P1607: Pcm Internal Circuit DTC P1705: A/T Gear Position Switch DTC P1706: A/T Gear Position Switch