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VW Code 29789

29789 Description And Summary :

This code were stamped on VW Engine case evaporative emission system switching valve control, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so cam shaft position sensor (g40), signal outside of the tolerance . On the other hand turbocharger (tc)control module 2, faulty is the final reason of the code.

29789 Possible Causes:

29789 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Reverse Input Circuit
  • Clutch Position Sensor Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 29789 Code

  • Inspect all the connections evaporative emissions (evap) fuel vapour temperature sensor, performance
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

29789 Fault Code For Volkswagen Vehicles

The fault code 29789 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 29789 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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