Top 30 Audi OBDII Engine Codes

System Too Lean Bank 1

Random Cylinder Misfire Detected

Catalyst System Efficiency Below Threshold Bank 1

EVAP System Incorrect Purge Flow

Transmission Range Sensor Circuit Range Performance

EVAP System Large Leak Detected

Ignition Engine Speed Input Circuit No Signal

'A' Camshaft Position Timing Over-Advanced Or System Performance Bank 1

Cylinder 3 Misfire Detected

Fuel Rail/System Pressure Too Low

Cylinder 2 Misfire Condition

System Too Lean At Idle Bank 1

Mass or Volume Air Flow Circuit Low Input

Cylinder 4 Misfire Detected

Cylinder 1 Misfire Condition

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor 'A'

Mass or Volume Air Flow Circuit Range/Performance Problem

Camshaft Position Sensor

Ignition Engine Speed Input Circuit Range/Performance

Idle Air Control System RPM Higher Than Expected

Engine Off Timer Performance

Torque Converter Clutch Circuit Performance or Stuck Off

Intake Manifold Runner Control Bank 1 Stuck Open

Sensor Voltage Circuit 'A' Low Voltage

System Too Lean Bank 2

Exhaust Gas Recirculation Flow Insufficient Detected

Fuel Pressure Regulator 1 Performance

System Too Rich Bank 1

Secondary Air Injection System Incorrect Flow Detected

Intake Air Temperature Sensor 1 Circuit High