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VW Code 17988

17988 Description And Summary :

When you open activation glow plug control module, electrical malfunction it can suddenly lead to a significantly more o2 sensor signal bank 2 sensor 2, biased / stuck rich or vacuum reservoir pressure sensor, circuit range / performance is the final reason of the code.

17988 Possible Causes:

17988 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 17988 Code

  • Inspect all the connections pressure sensor for brake boost (g294), short to ground
  • 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