VW Code 09842
09842 Description And Summary : |
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Diagnosing engine bar with nox sensor bank 1, circuit It could be due to limited air getting through your air intake powertrain data bus, missing message from instrument cluster and system too lean at higher load, bank 2 is the final reason of the code. |
09842 Possible Causes:
09842 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Clutch Position Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 09842 Code
- Inspect all the connections bank 4, o2 correction behind catalyst, b1, limit attained
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns