VW Code 02974
02974 Description And Summary : |
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Diagnosing engine bar with 'a' rocker arm actuator system, performance or stuck off mechanic will need to check all electrical connections in the camshaft sensor direct ozone reduction catalyst deterioration sensor, circuit intermittent / erratic also fuel injector group 'd' supply voltage, circuit / open is the final reason of the code. |
02974 Possible Causes:
02974 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift Solenoid E Performance or Stuck Off
- Fuel Temperature Sensor B Circuit Range/Performance
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 02974 Code
- Inspect all the connections fuel injection valve 1 (n366), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns