Car Fault Codes

OBD-II trouble codes explained: meaning, causes, symptoms, fixes and typical repair cost.

35 results

P0011 Intake Camshaft Timing Over-Advanced (Bank 1) Medium Powertrain P0016 Crankshaft/Camshaft Position Correlation (Bank 1, Sensor A) High Powertrain P0101 Mass Airflow Sensor Circuit Range/Performance Medium Powertrain P0113 Intake Air Temperature Sensor Circuit High Input Low Powertrain P0118 Engine Coolant Temperature Sensor Circuit High Input Medium Powertrain P0128 Coolant Temperature Below Thermostat Regulating Temperature Low Powertrain P0130 O2 Sensor Circuit Malfunction (Bank 1, Sensor 1) Medium Powertrain P0135 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1) Low Powertrain P0141 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2) Low Powertrain P0171 System Too Lean (Bank 1) Medium Powertrain P0172 System Too Rich (Bank 1) Medium Powertrain P0174 System Too Lean (Bank 2) Medium Powertrain P0300 Random or Multiple Cylinder Misfire Detected High Powertrain P0301 Cylinder 1 Misfire Detected High Powertrain P0302 Cylinder 2 Misfire Detected High Powertrain P0303 Cylinder 3 Misfire Detected High Powertrain P0304 Cylinder 4 Misfire Detected High Powertrain P0325 Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor) Medium Powertrain P0335 Crankshaft Position Sensor A Circuit Malfunction High Powertrain P0340 Camshaft Position Sensor A Circuit Malfunction (Bank 1 or Single Sensor) High Powertrain P0401 Exhaust Gas Recirculation Flow Insufficient Medium Powertrain P0402 Exhaust Gas Recirculation Flow Excessive Medium Powertrain P0420 Catalyst System Efficiency Below Threshold (Bank 1) Medium Powertrain P0430 Catalyst System Efficiency Below Threshold (Bank 2) Medium Powertrain