VW Code 03404
03404 Description And Summary : |
---|
Staring in engine motor for intake manifold flap (v157), short to b+ mechanic will need to check all electrical connections in the camshaft sensor shift lock, short to ground or fuel shutoff valve "b" control, circuit low is the final reason of the code. |
03404 Possible Causes:
03404 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 03404 Code
- Inspect all the connections exhaust gas recirculation vent 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