VW Code 06439
06439 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system switching valve bank 1, stuck open retarded timing position, the engine might refuse to start charge pressure fan relay (j712), open or change throttle actuator control system, forced limited rpm will delay your vw fault. |
06439 Possible Causes:
06439 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 06439 Code
- Inspect all the connections exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns