2.0L TDI DFVA

2025 Audi Q5 Sportback PrestigeSECTION 2.0L TDI DFVA
Fig 1: Identifying Exhaust Components (2.0L TDI DFVA)
GWWA26-11105Courtesy of AUDI OF AMERICA, LLC
  1. 1 -  Exhaust gas temperature sensor 1 -G235-
  2. 2 -  Exhaust gas temperature sensor 4 -G648-
  3. 3 -  NOx sensor -G295-
  4. 4 -  EGR temperature sensor -G98-
  5. 7 -  Exhaust pressure sensor 1 -G450-
  6. 9 -  Differential pressure sensor -G505-
  7. 11 -  NOx sensor control module J583
  8. 12 -  Exhaust gas temperature sensor 3 -G495-
  9. 13 -  Heated oxygen sensor -G39-
  10. 14 -  Exhaust gas temperature sensor 2 -G448-
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.