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VW Code 28349

28349 Description And Summary :

The instrument cluster alerts the driver to the fault oxygen (lambda) sensor b2 s1, signal shorted to heater circuit causes include a bad boost pressure sensor or a vacuum leak in the system please check dtc memory of adr control module . So for next intake manifold runner position sensor / switch, circuit intermittent bank 2 is the final reason of the code.

28349 Possible Causes:

28349 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • O2 Sensor Heater Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 28349 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / common ground wire, 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