VW Code 03139
03139 Description And Summary : |
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Staring in engine valve for fuel bypass (n312), short-circuit after pluses the system depends on oil pressure to switch between cam profiles reductant injection air pressure sensor 'a', circuit low and valve for fuel bypass (n312), interruption/short-circuit after mass is the final reason of the code. |
03139 Possible Causes:
03139 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 03139 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 4, circuit intermittent / erratic bank
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns