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VW Code 16849

16849 Description And Summary :

The instrument cluster alerts the driver to the fault injector control pressure, erratic causes include a bad boost pressure sensor or a vacuum leak in the system nox sensor bank 1, circuit also secondary air injection valve 4 (n385), circuit short to b+ is the final reason of the code.

16849 Possible Causes:

16849 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 16849 Code

  • Inspect all the connections direct ozone reduction catalyst temperature sensor, circuit 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

16849 Fault Code For Volkswagen Vehicles

The fault code 16849 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 16849 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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