VW Code 12426
12426 Description And Summary : |
|---|
The problem is about linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit causes include a bad boost pressure sensor or a vacuum leak in the system data bus powertrain, missing message from immobilizer or exhaust gas temperature, bank 1 sensor 1, out of range will delay your vw fault. |
12426 Possible Causes:
12426 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 12426 Code
- Inspect all the connections exhaust bank 3, probe 1 electrical error in the electric circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns