DS 23 carby query
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  1. #1
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    Default DS 23 carby query

    The idle speed on my DS23 manual safari is way too high- about 1600 rpm. consulted my Autobooks manual and set about trying to adjust the idle. According to the book I should have a "accelerated idling adjustment" screw but on my carby there is just a hole where the screw could/should be. Further reading of the book revealed that Weber 28/36 DLE.A1 carbies did not have this screw. Does this mean I have an earlier carby off a DS21 or do I have the correct carby (DMA.4) missing the adjustment screw?

    If its an earlier carby, does this matter?

    I had a bit of a fiddle with the two screws I have (mixture and stop screw) but the only screw that would slow the idle speed was the mixture screw, the stop screw only seems to increase the idle speed no matter which way I turned it.

    If the carby needs servicing can a competent cit mechanic do it or should it be done by a "carby specialist"

    Any words of wisdom?

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  2. #2
    Fellow Frogger! chris's Avatar
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    Shane is about to tell you that the idle cutoff solenoid is dead

    He's probably right...

    Chris
    GS 1220 break. Beige cars go faster

  3. #3
    Real cars have hydraulics DoubleChevron's Avatar
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    Default

    I don't htink any DS's had an idle cuttoff soleniod.

    If screwing the adjustment screw in has no effect check for:

    --vacum leaks at the base of the carby, and the inlet manifold
    --blocked idle jet (running rich and idle setting have no effect)
    --choke mechanism misadjusted and slightly on (holding the idle high)
    --Accellerator cable/linkage misplaced/adjusted holding accellerator open.

    If all that's ok, move onto timing ... Does it run like cr@p, are the points set ok etc, etc, etc...

    Most likely the idle jet is blocked.

    seeya,
    Shane L.
    'Cit' homepage:
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  4. #4
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    Thanks Shane
    I'll have a fiddle this weekend.
    Timing is fine and was set recently - it otherwise runs pretty well

  5. #5
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    Had another look tonight and noticed a hose coming from the bottom of the inlet manifold which is kinked so probably not functioning properly. What does it do? What effect would it have if it was not functioning properly?

    regards
    Rob
    1974 DS23 Safari
    2005 Pug 407 HDi Touring

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