Top 30 Chevrolet OBDII Engine Codes

Engine Misfire Detected

Fuel Trim System Lean Bank 1

Evaporative Emission System Large Leak Detected

Crankshaft Position-Camshaft Position Correlation

Catalyst System Low Efficiency Bank 1

Ignition 1 Switch Circuit 2

Throttle Actuator Control Module Throttle Actuator Position Performance

Evaporative Emission System Flow During Non-Purge

Evaporative Emission System Small Leak Detected

Catalyst System Low Efficiency Bank 2

Exhaust Camshaft Position System Performance

Evaporative Emission Vent System Performance

Throttle Position Sensors 1-2 Not Plausible

HO2S Insufficient Switching Bank 1 Sensor 1

Fuel Trim System Lean Bank 2

Intake Camshaft Position System Performance

Crankshaft Position - Intake Camshaft Position Not Plausible

Fuel Trim System Rich Bank 1

Camshaft Position Sensor Circuit

Fuel Trim Cylinder Balance Bank 1

Mass Air Flow Sensor Performance

Evaporative Emission Vent Solenoid Valve Control Circuit

Engine Coolant Temperature Below Thermostat Regulating Temperature

Evaporative Emission System

Engine Coolant Overtemperature Protection Mode Active

Transmission Control Module Requested MIL Illumination

Crankshaft Position - Exhaust Camshaft Position Not Plausible

HO2S Heater Performance Bank 1 Sensor 1

Engine Oil Pressure Sensor Performance

HO2S Heater Performance Bank 1 Sensor 2