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Engine Controls - Tests W/Codes - Except GS-R 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 P0106: Manifold Absolute Pressure (Map) Sensor System Vacuum Leak DTC P0107: Manifold Absolute Pressure (Map) Sensor Low Input Voltage DTC P0108: Manifold Absolute Pressure (Map) Sensor High Input Voltage DTC P0111: Intake Air Temperature (IAT) Sensor Range/Performance DTC P0112: Intake Air Temperature (IAT) Sensor Low Input Voltage DTC P0113: Intake Air Temperature (IAT) Sensor High Input Voltage DTC P0116: Engine Coolant Temperature (ECT) Sensor Range/Performance Problem DTC P0117: Engine Coolant Temperature (ECT) Sensor Low Input Voltage DTC P0118: Engine Coolant Temperature (ECT) Sensor High Input Voltage DTC P0122: Throttle Position (TP) Sensor Low Input Voltage DTC P0123: Throttle Position (TP) Sensor High Input Voltage DTC P0131: Primary Heated Oxygen Sensor (Ho2S-1) Low Voltage DTC P0132: Primary Heated Oxygen Sensor (Ho2S-1) High Voltage DTC P0133: Primary Heated Oxygen Sensor (Ho2S-1) Slow Response DTC P0135 & P0141: Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction DTC P0137: Secondary Heated Oxygen Sensor (Ho2S-2) Low Output Voltage DTC P0138: Secondary Heated Oxygen Sensor (Ho2S-2) High Voltage DTC P0139: Secondary Heated Oxygen Sensor (Ho2S-2) Slow Response DTC P0171 & P0172: Fuel System Too Rich Or Too Lean DTC P0301, P0302, P0303 & P0304: Misfire In One Cylinder DTC P0325: Knock Sensor (KS) DTC P0335, P0336, P1361, P1362, P1381 & P1382: CKP/TDC/CYP Sensor DTC P0420: Catalyst System Efficiency Below Threshold DTC P0441: Evaporative Emission (EVAP) Control Insufficient Purge Flow DTC P0500: Vehicle Speed Sensor (VSS) Circuit Malfunction (Low Input Voltage) DTC P0505: Idle Control System Malfunction DTC P1106: Barometric Pressure (BARO) Circuit Range/Performance DTC P1107 & P1108: Barometric Pressure (BARO) Sensor CIRCUITHIGH/Low Input Voltage DTC P1121: Throttle Position (TP) Lower Than Excepted DTC P1122: Throttle Position (TP) Higher Than Excepted DTC P1128: Manifold Absolute Pressure (Map) Lower Than Excepted DTC P1129: Manifold Absolute Pressure (Map) Higher Than Excepted DTC P1259: VTEC Pressure Switch Or Solenoid Valve Circuits DTC P1297: Electrical Load Detector (Eld) Low Voltage Input DTC P1298: Electrical Load Detector (Eld) High Voltage Input DTC P1300 Or P0301, P0302, P0303 & P0304: Random Misfire DTC P1336 & P1337: Crankshaft Speed Fluctuation (CKF) Sensor DTC P1359: Crankshaft Position/Top Dead Center/Cylinder Position (CKP/TDC/CYP) Sensor Disconnected DTC P1508: Idle Air Control (IAC) Valve Circuit Failure DTC P1607: Powertrain Control Module (Pcm) Internal Circuit Failure DTC P1660: Automatic Transmission Fuel Injection (A/T FI) Data Line DTC P1681, P1682, P1686 & P1687: Automatic Transmission (A/T) Fuel Injection (FI) Signal "A" & "B" Circuits