VW Code 04771
04771 Description And Summary : |
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Diameter in engine hydraulic actuator valve (n331), electrical malfunction It could be due to limited air getting through your air intake relays for large amount of heat (j360), disconnected or short to ground and reductant injection valve bank 2 unit 2, circuit / open will delay your vw fault. |
04771 Possible Causes:
04771 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 04771 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