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Engine Controls - Tests W/Codes Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Test Equipment Connector Identification Circuit Tests Notes No DTC - Powertrain Control Module (Pcm) DTC P0106 - Manifold Absolute Pressure (Map) Sensor DTC P0107 - Map Sensor DTC P0108 - Map Sensor DTC P0112 - Intake Air Temperature (IAT) Sensor DTC P0113 - Intake Air Temperature (IAT) Sensor DTC P0116 - ECT Sensor DTC P0117 - Engine Coolant Temperature (ECT) Sensor DTC P0118 - Engine Coolant Temperature (ECT) Sensor DTC P0122 - Throttle Position (TP) Sensor DTC P0123 - Throttle Position (TP) Sensor DTC P0131 - Front Ho2S Sensor 1 DTC P0132 - Front Ho2S Sensor 1 DTC P0133 - Front Ho2S Sensor 1 DTCS P0135 & P0141 - Ho2S Heater DTC P0137 - Rear Heated Oxygen Sensor (Ho2S) Sensor 2 DTC P0139 - Rear Heated Oxygen Sensor (Ho2S) Sensor 2 DTCS P0171 & P0172 - Fuel Supply System DTCS P0301, P0302, P0303, P0304, P0305 & P0306 - Misfire In One Cylinder DTCS P0301 Or P1300, P0302, P0303, P0304, P0305 & P0306 - Misfire Of Multiple Cylinders DTC P0325 - Knock Sensor (KS) DTCS P0335, P0336, P1361 & P1362 - Crankshaft Position/Top Dead Center (CKP/TDC) Sensor DTC P0401 - Exhaust Gas RECIRCULATION (EGR) System DTC P0420 - Three-Way Catalytic Converter (TWC) DTC P0441 - Evaporative Emission (EVAP) Control DTCS P0500 & P0501 - Vehicle Speed Sensor (VSS) DTC P0505 - Idle Control System DTCS P1107 & P1108 - Barometric Pressure (BARO) Sensor DTC P1297 - Electrical Load Detector (Eld) DTC P1298 - Electrical Load Detector (Eld) DTC P1359 - Crankshaft Position/Top Dead Center (CKP/TDC) Sensor DTCS P1381 & P1382 - Cylinder Position - (CYP) Sensor DTC P1459 - EVAP Control DTC P1491 - EGR System DTC P1498 - Exhaust Gas RECIRCULATION (EGR) System DTC P1508 - Idle Air Control (IAC) Valve DTC P1607 - Pcm Internal Circuit Summary Wiring Diagrams