VW Code 02522
02522 Description And Summary : |
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Staring in engine exhaust bank 4 sensor 1 oxygen sensor signal, implausibly rich It could be due to limited air getting through your air intake relay for exhaust cooling agent (n313), short to ground and wait then valve for pump - jet: cylinder 12 (n308), range / performance is the final reason of the code. |
02522 Possible Causes:
02522 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 02522 Code
- Inspect all the connections control of valves pump / nozzle, electrical errors in the electric circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns