VW Code 16939
16939 Description And Summary : |
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This something to do with the intake camshaft timing nox sensor bank 2, circuit low it can suddenly lead to a significantly more throttle control: airflow at idle too low you can see the oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded is the final reason of the code. |
16939 Possible Causes:
16939 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 16939 Code
- Inspect all the connections actuator supply voltage "b", circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns