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Thread: Rough Idle

  1. #1
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    Rough Idle

    So I went and bought an RRC. It runs ok when cold but starts to get a rough idle and stalls when warm. I changed plugs leads and rotor arm.
    The insulation on the coolant sensor was goosed so I thought that was it but alas no.

    Before I through too much at it is there any common issues I may have missed?

    Garry
    Defender 90 - WEE 90
    172-562 2a Workshop - Tassie Devil
    REMLR 331

  2. #2
    Homestar's Avatar
    Homestar is offline Super Moderator & CA manager Gold Subscriber
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    What year is it? Carby, early flapper EFI or 14CUX EFI?
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.

  3. #3
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    Had one like that the other day, turned to be a dud aftermarket ignition coil. Replaced it with a Lucas original second hand one. Also worth checking the fuel pressure regulator behind the inlet manifold to see if it's dribbling fuel into the manifold via its vacuum hose.

  4. #4
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    Sorry, missed the basics

    Its a 1990 3.9 V8 EFI

    Garry

    Will go have a look at the vacuum hose now. thanks
    Defender 90 - WEE 90
    172-562 2a Workshop - Tassie Devil
    REMLR 331

  5. #5
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    So I have replaced the vacuum hose, no fuel leaking and the coil changed out too. The problems I had seem so far to be gone. I will give it a good run tomorrow and see how it fares. Thanks bee utey.
    Defender 90 - WEE 90
    172-562 2a Workshop - Tassie Devil
    REMLR 331

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