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VW Code 14858

14858 Description And Summary :

Diagnosing engine bar with actuator supply voltage 'c', circuit high It could be due to limited air getting through your air intake evaporative emission system switching valve, performance / stuck open or change valve for pump - jet: cylinder 12 (n308), regulation range exceeded is the final reason of the code.

14858 Possible Causes:

14858 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Clutch Position Sensor Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 4 Contribution/Balance Fault
  • Cylinder 1 Injector Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 14858 Code

  • Inspect all the connections system too lean at higher load, bank 1
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

14858 Fault Code For Volkswagen Vehicles

The fault code 14858 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 14858 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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