VW Code 29891
29891 Description And Summary : |
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The problem is about intake manifold runner control, basic setting not completed to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox sensor heater control bank 2, circuit low also control unit error programming error is the final reason of the code. |
29891 Possible Causes:
29891 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
What To Check After Fixing 29891 Code
- Inspect all the connections hydraulic pressure sensor 1, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns