mk2 1988 16V rough idle when cold

Discussion in '16-valve' started by mackieGTI, Sep 21, 2021.

  1. mackieGTI New Member

    Joined:
    Jan 28, 2018
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    morning everyone.

    i need a bit of assistance, as above really.

    when i fist fire up the car it runs really lumpy, revs dropped down to about 800. once it warms up the car idles fine.

    so looking at previous threads, i shall carry out checks on the ISV - vacuum leaks and earths.

    as a side note -
    i took the car out of storage after about 8yrs a few months back. work carried out getting back on road.

    lift pump changed (lift pump failed to run after those years in storage)
    main-pump changed (main pump failed to run after those years in storage)
    changed
    fuel filter changed
    timing belt changed.

    i haven't changed other service parts like dizzy cap, plugs, maybe a failing coil?
     
  2. rubjonny

    rubjonny Administrator Staff Member Admin

    Joined:
    Oct 31, 2003
    Likes Received:
    3,326
    Location:
    Bracknell

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