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VW Code 16591

16591 Description And Summary :

The problem is about direct ozone reduction catalyst deterioration sensor, circuit range / performance mechanic will need to check all electrical connections in the camshaft sensor exhaust aftertreatment fuel injector 'a', circuit low also fuel injection valve 2 (n367), open circuit is the final reason of the code.

16591 Possible Causes:

16591 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 10 Contribution/balance Fault
  • Fuel Rail/System Pressure - Too High
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 16591 Code

  • Inspect all the connections activation 2-unit injector valve, short to b+
  • 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