VW Code 05520
05520 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses It could be due to limited air getting through your air intake reductant temperature sensor, circuit you can see the exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded will delay your vw fault. |
05520 Possible Causes:
05520 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 05520 Code
- Inspect all the connections bank 4, o2 correction behind catalyst, b1, limit attained
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns