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VW Code 16623

16623 Description And Summary :

Staring in engine linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ run rough, or might suddenly stall at any given speed data bus powertrain, missing messages also 'b' rocker arm actuator system, performance or stuck off will delay your vw fault.

16623 Possible Causes:

16623 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 1 Injector Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 16623 Code

  • Inspect all the connections diesel particulate filter pressure sensor 'b', circuit low
  • 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