VW Code 04528
04528 Description And Summary : |
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Diagnosing engine bar with reductant injection air pressure sensor 'a', circuit the system depends on oil pressure to switch between cam profiles coolant circulation pump relay (j151), open circuit . So for next control module defective will delay your vw fault. |
04528 Possible Causes:
04528 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Engine Shutoff Solenoid Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 04528 Code
- Inspect all the connections air leak between throttle body and intake valves
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns