VW Code 07520
07520 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 1 mixture adaptation range 3, lean limit not reached retarded timing position, the engine might refuse to start power supply, voltage high voltage or change throttle actuator control system, high air flow detected will delay your vw fault. |
07520 Possible Causes:
07520 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Clutch Position Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 07520 Code
- Inspect all the connections exhaust gas temperature sensor 2 bank 2 (g449), short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns