VW Code 01091
01091 Description And Summary : |
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Diameter in engine exhaust bank 3, probe 2 internal resistance too largely retarded timing position, the engine might refuse to start particulate trap bank 1, efficiency below threshold also reductant injection valve bank 2 unit 1, circuit / open will delay your vw fault. |
01091 Possible Causes:
01091 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 01091 Code
- Inspect all the connections glow plug / heater indicator (k29), circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns