VW Code 12739
12739 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded causes include a bad boost pressure sensor or a vacuum leak in the system 'b' rocker arm actuator control, circuit high or please check dtc memory of clutch ecu is the final reason of the code. |
12739 Possible Causes:
12739 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Reverse Input Circuit
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 12739 Code
- Inspect all the connections a camshaft position actuator control bank 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns