Renault 10 missing when under load
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Thread: Renault 10 missing when under load

  1. #1
    Tadpole Geoff1021's Avatar
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    Icon10 Renault 10 missing when under load

    points, I have over hauled the distributor, new points, coil ans d ignition leads, It now runs well idling but when going up hill it misses. Any ideas for next action?
    Geoff


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    Fellow Frogger! neural revolt's Avatar
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    Quote Originally Posted by Geoff1021 View Post
    points, I have over hauled the distributor, new points, coil ans d ignition leads, It now runs well idling but when going up hill it misses. Any ideas for next action?
    Geoff
    Old spark plugs or plug gap setting too wide?
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    1000+ Posts Frans's Avatar
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    Spark can be a culprit as suggested above. Spark is normally the culprit under load but see also to the fuel.

    The fuel pump can be faulty as well and to check that:: Cruise at a steady speed on the level road or slight downhill for a while. Then suddenly flatout. If it pulls strong for a few seconds and then starts missing it could be the pump because it keeps the float level normal with low loads and then when it starts pulling and uses a lot of fuel it will be ok while the float chamber is full but starts missing as the float chamber levels start to drop and the pump can't keep up with the added flow to the carb. The pump is one of the points but it can also be fuel filter or blocked fuel line.

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    1000+ Posts schlitzaugen's Avatar
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    Have you checked the vacuum advance capsule works? What about the condenser?

    Checked the ignition timing at various speeds to make sure all is okay with the advance mechanism?

    Do that and if all is well, you need to move to the fueling issues.
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    i'd get another condensor and try that.

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    Quote Originally Posted by Geoff1021 View Post
    points, I have over hauled the distributor, new points, coil ans d ignition leads, It now runs well idling but when going up hill it misses. Any ideas for next action?
    Geoff
    Pull out the plugs and have a look. I was pretty embarrassed by the state of mine a few years ago when this happened. Of course, we assume the right ones are in there!! In the old money, Champion L87Y but I imagine many of us use a Japanese equivalent. BP6HS is it?

    Have fun.
    JohnW

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    Moderator vivid's Avatar
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    Quote Originally Posted by skookumchuck View Post
    i'd get another condensor and try that.
    Double that, I had the same symptoms after rebuilding my first R16 back in 1991.
    Idled beautifully, revved high. missed like hell under any load.

    New leads, rotor, rotor button, coil, fuel lines, filters, carby kit etc.. condenser was the last thing we replaced of course.


    It'll be that or vacuum advance issue imo..

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    Test spark plugs by lugging down in top gear. Slowly accelerate & if kangarooing is apparent the first respondent is on the money.
    Next is condenser.
    FI:
    Next to 90% of suspected fuel related problems eventually turn out to be ignition.
    Last edited by Artificer; Today at 04:53 AM.
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  9. #9
    bob
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    G'day,

    does the dizzy action plate have a braided earth lead ? If it's relying on tired dirty springs for an earth return you are odds on to get a miss as soon as it moves from a set spot.

    cheers,
    Bob

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