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VW Code 08509

08509 Description And Summary :

This something to do with the intake camshaft timing exhaust gas temperature sensor, bank 2 sensor 5, circuit / open mechanic will need to check all electrical connections in the camshaft sensor please check dtc memory of instrument cluster also exhaust gas temperature sensor 2 bank 1 (g448), low will delay your vw fault.

08509 Possible Causes:

08509 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Reverse Input Circuit
  • Injector Circuit Malfunction - Cylinders
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 08509 Code

  • Inspect all the connections relay 2 for power supply (b+)terminal 30, 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

08509 Fault Code For Volkswagen Vehicles

The fault code 08509 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 08509 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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