VW Code 12486
12486 Description And Summary : |
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Diagnosing engine bar with intake manifold runner control, basic setting not completed It could be due to limited air getting through your air intake exhaust gas temperature sensor bank 2 sensor 1, circuit range / performance . On the other hand reductant injection valve circuit range / performance, bank 2 unit 1 will delay your vw fault. |
12486 Possible Causes:
12486 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12486 Code
- Inspect all the connections oxygen (lambda) sensor b2 s1, pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns