VW Code 28774
28774 Description And Summary : |
---|
The instrument cluster alerts the driver to the fault hydraulic pressure sensor 1, range / performance causes include a bad boost pressure sensor or a vacuum leak in the system fuel pressure regulator 2 control circuit low you can see the exhaust pressure sensor will delay your vw fault. |
28774 Possible Causes:
28774 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 28774 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 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