VW Code 12928
12928 Description And Summary : |
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Diagnosing engine bar with drive by wire-mil (k132), circuit electrical malfunction It could be due to limited air getting through your air intake exhaust gas temperature sensor, bank 1 sensor 4, circuit high or change throttle/pedal position sensor / switch 'e', circuit range / performance will delay your vw fault. |
12928 Possible Causes:
12928 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12928 Code
- Inspect all the connections valve for exhaust flap 2 (n322), 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