Thread: Golf mk4 2.0 gti running rich

Page 2 of 2 FirstFirst 12
Results 11 to 13 of 13
  1. Re: Golf mk4 2.0 gti running rich 
    Join Date
    Jan 2010
    bury st edmunds
    Post Thanks / Like
    Thanked 0 Times in 0 Posts
    Hello Craig,I paid 20 for reading,its got to be worth it cos your gonna be doing that in extra petrol in a couple of days.The way i understand it is that your car is using excess fuel cos your ecu is allowing too much through.This is probably caused by a faulty sensor.Is your car smoking more than usual/running rich?

  2. Re: Golf mk4 2.0 gti running rich 
    Join Date
    Oct 2007
    surrey, uk
    Post Thanks / Like
    Thanked 1 Time in 1 Post
    It is running very rich! may as well be driving a v6 with my foot to the floor! ha

    It does seem to be leaning towards a faulty lambda or MAF but I can't afford to change something which isn't faulty, hense the VAG com check. But my local garage who I trust don't do anything like that and I have been quoted 60 in the past by vw I am trying to find a kind fellow owner with one or some friendly garage that would charge about 20 just for a plug in! But no good so far

    Have noticed today a smell around the car and fuely type but clear exhuast fumes as well

  3. Re: Golf mk4 2.0 gti running rich 
    Join Date
    Nov 2006
    Post Thanks / Like
    Thanked 0 Times in 0 Posts
    I just got myself a 2000 mk4 gti 2.0 8v (APK engine code) 70k on the clock and i'm getting poor mpg probably about 20mpg thats driving easy, 160 miles to 40 I have vag-com and have the following errors
    17536 Fuel Trim: Bank 1 (Mult): system too lean P1128 35-00
    I also have 17987 Throttle Actuator (J338) Adaptation not started P1579 35-00.
    I can clear the fuel trim code but it comes back but can't clear the Throttle code. When i got the car its idle was ok at cold but dropped when warm I removed the throttle body and gave it a good clean now the idle is ok but I stillcant clear the code. My main thing is the mpg I took out my MAF sensor and soaked it in IPA overnight dried it out but mpg still about the same would my throttle body allignment be causing poor mpg I also get some black smoke when putting accelerator hard. Any help appreciated is there a way to check my MAF sensor and O2 sensor with vag-com.

    Thanks in Advance for any info.

Page 2 of 2 FirstFirst 12

Similar Threads

  1. HELP! Golf mk4 2.0 GTi Engine problems!!
    By Richie_Rich in forum Golf MK4 - 1999 - 2004
    Replies: 15
    Last Post: 25-06-2013, 02:31 PM
  2. Oil Problem Vw Golf Mk4 2.0 Gti
    By elubeta in forum Golf MK4 - 1999 - 2004
    Replies: 2
    Last Post: 01-11-2009, 05:12 PM
  3. Please Help Golf GTi 2.0 MK4 tapping noise
    By j_caie in forum Golf MK4 - 1999 - 2004
    Replies: 4
    Last Post: 14-10-2009, 08:54 PM
  4. ABT Tackles The New Golf GTI
    By stuart in forum Chat - Home Page Discussion Only
    Replies: 0
    Last Post: 18-08-2009, 07:50 PM
  5. Replies: 0
    Last Post: 28-10-2006, 05:22 PM
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", 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: 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 relevent 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


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 - VW Audi Forum -

- - -