VW Code 28528
28528 Description And Summary : |
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When you open engine coolant bypass valve, control circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas recirculation vent control, circuit low . So for next exhaust gas temperature sensor bank 1 sensor 2, circuit range / performance is the final reason of the code. |
28528 Possible Causes:
28528 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Fuel Rail Pressure Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28528 Code
- Inspect all the connections throttle actuator control module, internal circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns