VW Code 03003
03003 Description And Summary : |
|---|
Staring in engine throttle actuator control system, sudden high air flow detected causes include a bad boost pressure sensor or a vacuum leak in the system control module, coding fault and wait then nox sensor heater sense bank 1, circuit low is the final reason of the code. |
03003 Possible Causes:
03003 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 03003 Code
- Inspect all the connections injector control pressure, too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns