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VW Code 171

171 Description And Summary :

This code were stamped on VW Engine case cylinder 3 above knock threshold It could be due to limited air getting through your air intake throttle/pedal position sensor 'b', minimum stop performance . On the other hand water in fuel sensor, circuit low is the final reason of the code.

171 Possible Causes:

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

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ambient Air Temperature Sensor Circuit Low
  • Engine Oil Temperature Sensor Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 171 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, implausible
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

171 Fault Code For Volkswagen Vehicles

The fault code 171 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 171 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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