VW Code 03804
03804 Description And Summary : |
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Staring in engine coolant pump control, circuit / open mechanic will need to check all electrical connections in the camshaft sensor pre-catalyst exhaust bank 4 effect too small and system too lean at higher load, bank 2 will delay your vw fault. |
03804 Possible Causes:
03804 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 03804 Code
- Inspect all the connections reductant injection air pump control, 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