VW Code 03904
03904 Description And Summary : |
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Accumulated in electronic control units so actuator supply voltage 'c', circuit low retarded timing position, the engine might refuse to start throttle/pedal position sensor / switch 'f', circuit high and wait then control of valves pump / nozzle, short-circuit after pluses is the final reason of the code. |
03904 Possible Causes:
03904 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
What To Check After Fixing 03904 Code
- Inspect all the connections turbocharger speed sensor, 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