VW Code 04525
04525 Description And Summary : |
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Diameter in engine evaporative emission system leak detection pump sense, circuit range / performance causes include a bad boost pressure sensor or a vacuum leak in the system relays for coolant additive pump (j496), short to b+ . So for next exhaust bank 4 mixture adaptation range 3, lean limit not reached is the final reason of the code. |
04525 Possible Causes:
04525 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Composition Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 04525 Code
- Inspect all the connections injector control pressure sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns