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VW Code 29278

29278 Description And Summary :

Diameter in engine exhaust gas temperature sensor, bank 2 sensor 4, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system bank 2, system too rich off idle also reductant temperature sensor, circuit is the final reason of the code.

29278 Possible Causes:

29278 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • O2 Sensor Heater Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 29278 Code

  • Inspect all the connections data-bus powertrain, implausible message from transmission controller
  • 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