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Thread: Rough Idle mk3 golf 2.0 8v ady

  1. #11
    Join Date
    Nov 2015
    Location
    Canberra, ACT
    Posts
    352
    Users Country Flag

    The 1k idle when cold and settling down to about 800 is normal, designed to help get the engine temperate up to normal range quickly during cold weather. When it is warm weather or when the engine is still warm you will find that it will idle at 800 rpm at start.
    1997 Golf CL
    2011 Caddy Life TDI
    2007 Golf TDI
    1996 Vento GL

  2. #12
    After a few days running 95, still idling ruff, odb connector Nd software arrived today, will be checking for any codes that might point to why my idle is choppy

    Sent from my ONEPLUS A3010 using Tapatalk
    Cars I own/owned:
    Hyundai Getz (2015 -- 2017)

    Golf Mk3 GL 95' (2017 -- Now)

  3. #13
    Join Date
    Jan 2016
    Location
    Georges Hall, NSW
    Posts
    62
    Users Country Flag
    Quote Originally Posted by Hodgey GTI View Post
    After a few days running 95, still idling ruff, odb connector Nd software arrived today, will be checking for any codes that might point to why my idle is choppy

    Sent from my ONEPLUS A3010 using Tapatalk
    Hey mate did you end up working this out? I having a similar if not the same problem with my Vento.
    VW MK2 Golf GTI 8V 1991

  4. #14
    Quote Originally Posted by JAYISK View Post
    Hey mate did you end up working this out? I having a similar if not the same problem with my Vento.
    Unfortunately no, I've just learnt to live with it, I tracked down a vacuum leak to the breather tubes that come out of the crankcase and up into the valve train breather which helped the idle a little bit, I'll probably replace all the injectors and plugs incase one of them is malfunction. My father's hiace had a really bad hunting problem low down in the revs but was solved with fresh plugs and leads. Could you please post a video of your idle?

    Sent from my ONEPLUS A3010 using Tapatalk
    Cars I own/owned:
    Hyundai Getz (2015 -- 2017)

    Golf Mk3 GL 95' (2017 -- Now)

  5. #15
    Join Date
    Aug 2016
    Location
    ACT
    Posts
    18

    Have you looked at ECU relay 30 and fuel pump relay 167? My friend's Audi80 2.0 which has pretty much the same engine as yours was idling rough and drives okish. We replaced the ecu relay and problem solved.

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