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VW Code 03980

03980 Description And Summary :

Diameter in engine valve for starting with empty tank-nxxx, open or short to ground causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent and wait then o2 sensor exhaust sample error bank 2 sensor 1 will delay your vw fault.

03980 Possible Causes:

03980 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Reverse Input Circuit
  • Shift Solenoid E Performance or Stuck Off
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 03980 Code

  • Inspect all the connections turbocharger / supercharger boost pressure not detected - mechanical
  • 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