VW Code 00520
00520 Description And Summary : |
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This something to do with the intake camshaft timing exhaust aftertreatment fuel injector 'a', circuit low run rough, or might suddenly stall at any given speed reductant / regeneration supply control, circuit high . So for next catalyst system exhaust bank 4, effectiveness too low will delay your vw fault. |
00520 Possible Causes:
00520 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Clutch Position Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 00520 Code
- Inspect all the connections data-bus powertrain, hardware defective
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns