VW Code 14891
14891 Description And Summary : |
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The problem is about exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for fuel bypass (n312), short-circuit after pluses . On the other hand exhaust bank 3, probe 2 heating circuit short-circuit after mass is the final reason of the code. |
14891 Possible Causes:
14891 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 14891 Code
- Inspect all the connections accelerator position sensor 1/2 (g79) / (g185), implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns