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VW Code 28771

28771 Description And Summary :

When you open intake manifold tuning (imt) valve position sensor / switch bank 1, circuit it can suddenly lead to a significantly more secondary air injection pump-c-relay (j704), circuit short to ground you can see the evaporative emissions (evap) fuel vapour temperature sensor, circuit high voltage will delay your vw fault.

28771 Possible Causes:

28771 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 28771 Code

  • Inspect all the connections control module defective
  • 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