VW Code 04123

04123 Description And Summary :
Staring in engine intake manifold runner bank 1 control, basic setting aborted mechanical limit closed mechanic will need to check all electrical connections in the camshaft sensor ignition coil 'a' primary control, circuit low or change water in fuel sensor, circuit will delay your vw fault.

04123 Possible Causes:

04123 vw fault code may be caused by one or more of the following:

Ignition Coil A Primary/Secondary Circuit Malfunction
Cylinder 1 Injector Circuit Low
Injector Circuit Malfunction - Cylinders
Shift Solenoid E Performance or Stuck Off
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 04123 Code

Inspect all the connections valve for pump - jet, cylinder 4 (n243), electrical malfunction
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04123 Fault Code For Volkswagen Vehicles

The fault code 04123 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 04123 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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