Notices
 
 

  

User Tag List

Thread: A4 2.5 TDI in tank fuel pump relay location

Results 1 to 2 of 2
  1. A4 2.5 TDI in tank fuel pump relay location 
    #1
    Join Date
    May 2018
    Location
    Silsoe UK
    Posts
    2
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quoted
    0 Post(s)
    My Audi has had the AA out twice in recent weeks, both patrolmen have said it was a failed in tank pump. I changed it today but still not running.

    I have checked the fuse and that is ok, but no feed to the terminals on the pump connector.

    There are many relays near the fuse box and I have not been able to obtain a Haynes manual for this particular model, so I don't know which relay controls the fuel pump,

    can anyone point me in the right direction please?

    regards

    Malcolm
     
    0 0 0
     

  2. Re: A4 2.5 TDI in tank fuel pump relay location 
    #2
    Join Date
    Jan 2007
    Location
    Nottingham, England
    Posts
    37,270
    Post Thanks / Like
    Blog Entries
    2
    Mentioned
    44 Post(s)
    Tagged
    1 Thread(s)
    Quoted
    1034 Post(s)
    It is up under the dash above the drivers right leg at position 6 BUT if there is a decent level of fuel in the right hand side of the tank, the fuel pump not running will not stop the engine because it isn't really a fuel pump as such. All it does is to create a suction jet effect in the left side of the tank and draw fuel from the right side into a swirl pot and keep the pot full where the VP44 on the engine draws the fuel from the pot.





    When the fuel pump relay fails it is usually due to water getting into the plenum chamber fuse box and then dripping down onto the under dash relay and the symptom is stuttering when driving with a low tank. Make sure fuse 28 to the pump is OK and that it has power from position 8 ((lin3 87) and that the ECU relay is providing power at positions 2 (line 30) and 6 (line 85) on the board and that the earth ECU command signal is at position 4 (line 31)
    IF you like me are furious at this undemocratic ban on the sale of new petrol and Diesel engined cars, please sign this petition https://petition.parliament.uk/petitions/556842
     
    0 0 0
     

Similar Threads

  1. Fuel tank location
    By Ouh in forum Audi A4 - B8 Forum - 2008 - 2015
    Replies: 1
    Last Post: 07-02-2019, 09:29 AM
  2. Question Number & location of fuel pump relay - 2001 A3 1.8T (Engine Code AUM)
    By Antony 171008 in forum Audi A3 - 8L - 1996 - 2003
    Replies: 2
    Last Post: 11-07-2018, 03:12 PM
  3. Question Golf Plus Fuel Pump Fuse & Relay Location
    By coatsy35 in forum Golf Plus
    Replies: 0
    Last Post: 04-01-2017, 06:36 PM
  4. A6 2.0 Tdi ( 2007 - BRE ) In tank fuel pump location / how to
    By JimC64 in forum Audi A6 - C6 Forum - 2005 - 2010
    Replies: 15
    Last Post: 26-04-2013, 02:41 PM
  5. Fuel pump relay location
    By gangibas in forum Golf MK4 - 1999 - 2004
    Replies: 1
    Last Post: 03-08-2008, 07:15 PM
Bookmarks
Bookmarks
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  


 



  


Disclaimer: VW Audi Forum is an "independant enthusiast website", administered in line with guidelines supplied by VAG in the UK, and is in no way related to any of the Worldwide Volkswagen,Audi,Seat,Skoda,Bentley,Bugatti,Porsche or Lamborghini group of Companies. For official up to date information on any of there vehicles, please visit the official websites. Any comments made throughout this website, are the views of the respective poster, and in no way represent the views of the VW Audi Forum Administration, or the worldwide Volkswagen & Audi Group of companies.


VW Audi Forum do not vet and are not responsible for any information which is posted in this forum. All content is viewed and used by you at your own risk and we do not warrant the accuracy or reliability of any of the information.


Copyright: Certain "words", "phrases" and "Images" used on this website by the Administration are "Copyright" of Volkswagen GB, Volkswagen AG (Germany), Audi GB, Audi AG (Germany), Volkswagen Motorsport GB, Volkswagen Motorsport AG (Germany), Audi Motorsport AG (Germany), Volkswagen Racing GB, Bentley, Bugatti, Porsche and Lamborghini. No image can be replicated by anyone WITHOUT the relevant Companies written permission.


All trademarks and copyrights remain property of their respective owners.

No part of the VW Audi Forum website or forum may be reproduced without written permission from the site administration


PLEASE NOTE - PERSONAL ABUSE, ABUSE AGAINST THIS OR ANY OTHER WEBSITE OR ANY COMPANY WILL NOT BE TOLERATED. OFFENDERS WILL BE MODERATED OR EVEN BANNED.


This website and forum are best viewed at a minimum resolution of 1024 by 768.



  



- VW AUDI Forum - The #1 Volkswagen (VW) Group Forum - Volkswagen (VW) - Audi - Seat - Skoda - Bentley - Bugatti - Lamborghini - Porsche - Scania - MAN - Ducatti - VW Audi Forum -


- www.vwaudiforum.co.uk - www.vwaudiforum.co.uk -