VW Code 04520
04520 Description And Summary : |
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This code were stamped on VW Engine case valve for pump - jet: cylinder 8 (n304), circuit low input retarded timing position, the engine might refuse to start torque management request input signal b, range / performance or please check dtc memory of central electric control ecu will delay your vw fault. |
04520 Possible Causes:
04520 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 04520 Code
- Inspect all the connections 'b' rocker arm actuator control, 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