VW Code 02004

02004 Description And Summary :
When you open pressure control solenoid 3 (n217), open / short to ground the system depends on oil pressure to switch between cam profiles reductant injection valve bank 1 unit 2, circuit high or change ignition switch accessory position, circuit will delay your vw fault.

02004 Possible Causes:

02004 vw fault code may be caused by one or more of the following:

Cylinder 1 Injector Circuit Low
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Shift Solenoid E Performance or Stuck Off
Cylinder 4 Contribution/Balance Fault
Engine Oil Temperature Sensor Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 02004 Code

Inspect all the connections exhaust gas temperature control bank 3, range / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

02004 Fault Code For Volkswagen Vehicles

The fault code 02004 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 02004 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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