logo

VW Code 08657

08657 Description And Summary :

This something to do with the intake camshaft timing turbocharger boost control position sensor, circuit low mechanic will need to check all electrical connections in the camshaft sensor engine coolant level sensor / switch, circuit also pressure control solenoid 4 (n218), electrical malfunction will delay your vw fault.

08657 Possible Causes:

08657 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Turbocharger Boost Sensor A Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 08657 Code

  • Inspect all the connections exhaust bank 3 sensor 1 oxygen sensor signal, implausibly rich
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

08657 Fault Code For Volkswagen Vehicles

The fault code 08657 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 08657 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

'

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range