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VW Code 18511

18511 Description And Summary :

The problem is about fuel mixture control adjustment range 3, lower limit not reached retarded timing position, the engine might refuse to start valve for exhaust flap 2 (n322), open circuit . On the other hand o2 sensor pumping current trim bank 1 sensor 1, circuit high will delay your vw fault.

18511 Possible Causes:

18511 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor A Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 18511 Code

  • Inspect all the connections exhaust gas recirculation vent control, circuit / open
  • 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