VW Code 12279
12279 Description And Summary : |
---|
The problem is about cylinder 1 above knock threshold to change the oil filter and use the recommended engine oil to avoid any problems in the future so system too rich at higher load, bank 2 . So for next egr system, regulation range not reached will delay your vw fault. |
12279 Possible Causes:
12279 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12279 Code
- Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns