VW Code 04023
04023 Description And Summary : |
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Staring in engine intake flap motor 2 (v275), no signal run rough, or might suddenly stall at any given speed o2 sensor pumping current trim bank 2 sensor 1, circuit high or change a/c request a, circuit low will delay your vw fault. |
04023 Possible Causes:
04023 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Reverse Input Circuit
What To Check After Fixing 04023 Code
- Inspect all the connections o2 sensor out of range during deceleration bank 1 sensor 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns