VW Code 07423
07423 Description And Summary : |
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Staring in engine turbo/super charger wastegate solenoid c (n388), signal high it can suddenly lead to a significantly more nox sensor heater control bank 1, circuit / open . So for next diesel particulate filter pressure sensor 'a', circuit low will delay your vw fault. |
07423 Possible Causes:
07423 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 07423 Code
- Inspect all the connections data bus powertrain, missing messages from steering wheel electronics (j527)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns