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V8 Code 12 - System Pass (OK) Code 13 - Oxygen Sensor (O2) Code 14 - Coolant temperature Sensor - Voltage Too Low Code 15 - Coolant temperature Sensor - Voltage Too High Code 16 - Coolant Temperature Sensor - Voltage Unstable Code 17 - ECM Error Code 19 - Throttle Position Sensor (TPS) - Voltage Too Low Code 21 - Throttle Position Sensor (TPS) - Voltage Too High Code 22 - Throttle Position Sensor (TPS) - Voltage Too Low Code 23 - Manifold Air Temp Sensor (MAT) - Voltage Too High Code 24 - Vehicle Speed Sensor (VSS) Code 25 - Mass Air Temp Sensor (MAT) Sensor or Circuit - Voltage Too Low Code 26 - Intake Air Temperature - Too High Code 31 - Theft Deterrent System - Missing Signal Code 33 - Manifold Absolute Pressure Sensor (MAP) - Voltage Too High Code 34 - Manifold Absolute Pressure Sensor (MAP) - Voltage Too Low Code 35 - Idle Speed Error / Problem Code 36 - Vacuum Leak Code 41 - Crank Angle Sensor Code 42 - Electronic Spark Timing Circuit (EST) Code 43 - Knock Sensor Circuit Code 44 - Oxygen Sensor Lean (O2) Code 45 - Oxygen Sensor Rich (O2) Code 46 - No Reference Pulse While Cranking Code 51 - Memcal Unit - Check for bent pins Code 54 - System Voltage Unstable Code 55 - Analogue To Digital Conversion Error Code 56 - Running Lean Under Load Thanks to James Collins for Codes 51 - 55 |