Audi A4 (B9) Forum

737 topics in this forum

1. • 

   Coolant hose from reservoir to radiator broken HELP

   By figo_rulz11, July 30, 2023
   • • 
   • 11 replies
   • 15.5k views
   • 
   • Steve Q
   • August 8, 2023

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3. • 

   Lag - Hesitation - Delay

   By CH11, May 7, 2017
   • • 
   • 17 replies
   • 15.2k views
   • 
   • nrgnet
   • September 1, 2018
4. • 

   65685 - Heated seat backrest; front right not working

   By figo_rulz11, February 6, 2023   

   • heated seat
   • heated seats
   • • 
   • 16 replies
   • 15.1k views
   • 
   • figo_rulz11
   • March 14, 2023
5. • 

   No heat / auxiliary pump issues

   By white_shark, January 17, 2023
   • • 
   • 16 replies
   • 14.7k views
   • 
   • fat al
   • December 11, 2023
6. • 

   HELP - heater core replacement 1 2 3

   By RE001, September 9, 2023
   • • 
   • 58 replies
   • 14.1k views
   • 
   • Ivan Drago
   • February 18

7. Diagnostic faults

   By AndreiZambo, May 27, 2021
   • 3 replies
   • 14k views
   • 
   • Stevey Y
   • May 27, 2021
9. • 

   Rear window wash

   By Pepper, January 10, 2021
   • • 
   • 9 replies
   • 13.5k views
   • 
   • Pepper
   • January 20, 2021

10. B9 A4 Avant powered luggage cover problem

    By Fridgeguy, January 14, 2021
    • 7 replies
    • 13.5k views
    • 
    • Pepper
    • June 8, 2021

11. Boot lid opening on its own.

    By Blueit, July 11, 2022
    • 16 replies
    • 13.3k views
    • 
    • Rigger
    • July 5, 2024
12. • 

    Audi Adaptive Lights fault-dashboard light after coding

    By Valentin6048, March 30, 2022
    • • 
    • 4 replies
    • 12.9k views
    • 
    • Steve Q
    • March 31, 2022
14. • 

    Best model B9

    By Pepper, August 14, 2022
    • • 
    • 19 replies
    • 12.2k views
    • 
    • RichPow
    • December 10, 2022
15. • 

    Key fobs not working

    By MICKTHEMAC, August 5, 2020
    • • 
    • 17 replies
    • 11.6k views
    • 
    • MICKTHEMAC
    • August 23, 2020

16. Sat Nav SD card

    By SKR999, August 22, 2022
    • 4 replies
    • 11.6k views
    • 
    • R0bb0
    • September 3, 2022

17. error code P20BC

    By Mr_sport88, January 1, 2022
    • 3 replies
    • 11.4k views
    • 
    • Stevey Y
    • January 2, 2022
18. • 

    Engine Coolant dropping

    By Longbm, March 28, 2022
    • • 
    • 12 replies
    • 11.2k views
    • 
    • Magnet
    • March 31, 2022
19. • 

    Start stop function not working after 'brake servo restricted' sensor replaced

    By GLS, June 29, 2021
    • • 
    • 4 replies
    • 11.1k views
    • 
    • jdragon
    • September 25, 2022

20. DPF issue

    By Paddy M, August 1, 2022
    • 12 replies
    • 10.7k views
    • 
    • Suri66
    • June 22, 2023
21. • 

    Mmi satnav map update

    By Guest, March 11, 2022
    • • 
    • 11 replies
    • 10.2k views
    • 
    • jdragon
    • June 6, 2022

22. Problem with launch control

    By T77OMY, May 21, 2017
    • 2 replies
    • 10.2k views
    • 
    • Gasman
    • May 31, 2017

23. Air filter replacement

    By marc4099, January 8, 2021
    • 8 replies
    • 10.1k views
    • 
    • Stevey Y
    • February 10, 2023

24. A4 B9 recirculation flap motor issue

    By Mark9918, August 4, 2022
    • 9 replies
    • 9.8k views
    • 
    • Vytas
    • November 21, 2024
25. • 

    Clutch pedal judder

    By Phil jessop, October 28, 2021
    • • 
    • 23 replies
    • 9.8k views
    • 
    • Stevey Y
    • December 18, 2021

26. Excessive fuel consumption Audi A4 1.4 TFSI (with photos)

    By Karezma, September 26, 2022   

    • audi a4
    • a4 tfsi
    • (and 1 more)

      Tagged with:

      • audi a4
      • a4 tfsi
      • a4 1.4 tfsi
    • 8 replies
    • 9.7k views
    • 
    • Georgi Evlogiev
    • September 3, 2024
27. • 

    All in one service/warranty plan advice

    By Fridgeguy, August 17, 2022
    • • 
    • 14 replies
    • 9.6k views
    • 
    • dalswinton
    • August 20, 2022
28. • 

    what kind of oil?

    By Merralvinci, May 27, 2021
    • • 
    • 2 replies
    • 9.5k views
    • 
    • Merralvinci
    • May 28, 2021