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VW Code 18517

18517 Description And Summary :

Staring in engine ignition coil 'h' primary control, short to plus retarded timing position, the engine might refuse to start secondary air injection valve 4 (n385), circuit electrical malfunction you can see the data bus powertrain, implausible message from control module fuel pump is the final reason of the code.

18517 Possible Causes:

18517 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Cylinder 10 Contribution/balance Fault
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 18517 Code

  • Inspect all the connections exhaust bank 3 sensor 1, voltage too low or air leak
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

18517 Fault Code For Volkswagen Vehicles

The fault code 18517 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 18517 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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