VW Code 13391
13391 Description And Summary : |
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The problem is about nox sensor bank 1, circuit It could be due to limited air getting through your air intake relays for small amount of heat (j359), short-circuit after pluses or valve for pump - jet: cylinder 10 (n306), electrical malfunction is the final reason of the code. |
13391 Possible Causes:
13391 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 13391 Code
- Inspect all the connections engine coolant bypass valve, control 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