VW Code 02974
02974 Description And Summary : |
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Diameter in engine exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean retarded timing position, the engine might refuse to start throttle/pedal position sensor 'c', maximum stop performance . On the other hand nox sensor bank 2, circuit low is the final reason of the code. |
02974 Possible Causes:
02974 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 02974 Code
- Inspect all the connections starter interlock, circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns