VW Code 13939
13939 Description And Summary : |
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This code were stamped on VW Engine case oxygen sensor bank 3 sensor 1, internal resistance too large retarded timing position, the engine might refuse to start leak in air intake system you can see the direct ozone reduction catalyst temperature sensor, circuit range / performance will delay your vw fault. |
13939 Possible Causes:
13939 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 13939 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns