VW Code 13520
13520 Description And Summary : |
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The problem is about cylinder 7 injector, data incompatible It could be due to limited air getting through your air intake valve for intake manifold flap (n239), short to ground . On the other hand o2 sensor reference voltage bank 1 sensor 1, circuit low is the final reason of the code. |
13520 Possible Causes:
13520 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Cold Start Injector 1 Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 13520 Code
- Inspect all the connections throttle/pedal position sensor / switch 'f', circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns