VW Code 04403
04403 Description And Summary : |
|---|
Diameter in engine system too lean at higher load, bank 1 run rough, or might suddenly stall at any given speed direct ozone reduction catalyst temperature sensor, circuit high or fuel fired heater, performance will delay your vw fault. |
04403 Possible Causes:
04403 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 04403 Code
- Inspect all the connections intake manifold tuning (imt) valve position sensor / switch bank 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns