VW Code 28301
28301 Description And Summary : |
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Staring in engine data bus powertrain, missing message for central electric controller retarded timing position, the engine might refuse to start heater regulation, implausible signal and wait then exhaust gas temperature control bank 4, range / performance will delay your vw fault. |
28301 Possible Causes:
28301 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cold Start Injector 1 Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 28301 Code
- Inspect all the connections reductant injection valve bank 2 unit 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns