VW Code 28391
28391 Description And Summary : |
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Diameter in engine power supply, voltage low voltage mechanic will need to check all electrical connections in the camshaft sensor butterfly valve control unit 2 (j544), under voltage during basic adjustment and fuel shutoff valve "b" control, circuit / open is the final reason of the code. |
28391 Possible Causes:
28391 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28391 Code
- Inspect all the connections injector cylinder 15 (n392), 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