VW Code 04051
04051 Description And Summary : |
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Staring in engine linear oxygen sensor exhaust bank 4 / reference voltage, open circuit It could be due to limited air getting through your air intake injection pump, timing calibration not learned or secondary air injection valve 3 (n384), circuit electrical malfunction is the final reason of the code. |
04051 Possible Causes:
04051 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 04051 Code
- Inspect all the connections valve for exhaust cooling agent (n313), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns