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VW Code 04374

04374 Description And Summary :

This code were stamped on VW Engine case glow plug / heater relay, circuit open / short to ground retarded timing position, the engine might refuse to start friction too high, intake cam adjustment bank 1 or reductant temperature sensor, circuit range / performance is the final reason of the code.

04374 Possible Causes:

04374 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 1 Injector Circuit Low
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 04374 Code

  • Inspect all the connections exhaust bank 1/2 lambda probes before kat exchanges
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

04374 Fault Code For Volkswagen Vehicles

The fault code 04374 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 04374 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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