VW Code 28631
28631 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 2, compensation wire pump current, open circuit retarded timing position, the engine might refuse to start intake manifold tuning (imt) valve position sensor / switch bank 1, circuit low . On the other hand control module defective will delay your vw fault. |
28631 Possible Causes:
28631 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 28631 Code
- Inspect all the connections turbocharger boost control position sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns