VW Code 04728
04728 Description And Summary : |
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Staring in engine 'a rocker arm actuator control, circuit / open it can suddenly lead to a significantly more activation starter relay 2, short to b+ . On the other hand secondary air injection system air flow/pressure sensor bank 2, circuit high is the final reason of the code. |
04728 Possible Causes:
04728 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 04728 Code
- Inspect all the connections ignition coil cylinder 14, low circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns