VW Code 12311
12311 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit causes include a bad boost pressure sensor or a vacuum leak in the system cylinder 5 injector, data incompatible . So for next injector cylinder 15 (n392), circuit high is the final reason of the code. |
12311 Possible Causes:
12311 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12311 Code
- Inspect all the connections malfunction indication light (k83), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns