VW Code 28301
28301 Description And Summary : |
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This code were stamped on VW Engine case fuel pressure regulator 2 control circuit high the system depends on oil pressure to switch between cam profiles data bus powertrain, missing message from adr control module also a/c request a, circuit low is the final reason of the code. |
28301 Possible Causes:
28301 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28301 Code
- Inspect all the connections o2 sensor signals swapped, bank 1 sensor 3 - /bank 2 sensor 3
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns