VW Code 04304

04304 Description And Summary :
Diameter in engine secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic the system depends on oil pressure to switch between cam profiles exhaust bank 4, sensor 1, signal too slowly . On the other hand 'b' rocker arm actuator control, circuit low is the final reason of the code.

04304 Possible Causes:

04304 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Shift Solenoid E Performance or Stuck Off
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Glow Plug/Heater Circuit 'A' Malfunction
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Cylinder 10 Contribution/balance Fault

What To Check After Fixing 04304 Code

Inspect all the connections fuel injection valve 4 (n369), short to b+
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04304 Fault Code For Volkswagen Vehicles

The fault code 04304 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 04304 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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