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VW Code 16988

16988 Description And Summary :

Diameter in engine fuel pump "a", low flow / performance causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emission system leak detection pump sense, circuit intermittent / erratic and wait then valve for exhaust flap 1 (n321), short to ground will delay your vw fault.

16988 Possible Causes:

16988 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 1 Injector Circuit Low
  • Clutch Position Sensor Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Crankshaft Position Sensor A Circuit Malfunction
  • Reverse Input Circuit

What To Check After Fixing 16988 Code

  • Inspect all the connections torque management feedback signal "a", 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