VW Code 12907
12907 Description And Summary : |
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Diameter in engine o2 sensor signal bank 2 sensor 3, biased / stuck rich the system depends on oil pressure to switch between cam profiles fuel injection valve 1 (n366), short to ground or change change-over valve for intake manifold flap 2, high is the final reason of the code. |
12907 Possible Causes:
12907 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Engine Shutoff Solenoid Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 12907 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / reference voltage, 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