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VW Code 18159

18159 Description And Summary :

The instrument cluster alerts the driver to the fault exhaust bank 4 mixture adaptation range 3, rich limit exceeded retarded timing position, the engine might refuse to start water in fuel sensor, circuit intermittent or change o2 sensor signals swapped bank 1 sensor 2 / bank 1 sensor 3 is the final reason of the code.

18159 Possible Causes:

18159 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Cold Start Injector 1 Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 18159 Code

  • Inspect all the connections valve 2 for load pressure control (n274), interruption/short-circuit after mass
  • 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