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VW Code 188

188 Description And Summary :

Staring in engine exhaust bank 3 main catalyst, effectiveness too low to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle/pedal position sensor / switch 'd', circuit intermittent . On the other hand angle sensors 2 for butterfly valve drive 2 (g298), signal too small is the final reason of the code.

188 Possible Causes:

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

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Turbocharger Boost Sensor A Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 188 Code

  • Inspect all the connections throttle/fuel inhibit, 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range