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Thread: Accelleration issue

  1. 6th April 2013, 09:16 PM #11
    superquag
    superquag is offline ForumSage
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    Quote Originally Posted by OffTrack View Post
    I've only had brief dealings with D1 V8's but I believe a leaking vacuum diaphragm on the distributor is a fairly common problem. Could be worth checking out?
    This happened to mine. Bought an exchange unit from a bloke in Queensland who re-builds them. - with better material, I suspect.

    http://www.advancediaphragmoptions.com/

    The usual test, suck on the vacuum line and it should hold vaccuum.
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  2. 6th April 2013, 09:42 PM #12
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    OffTrack
    OffTrack is offline YarnMaster
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    My Dad had a faulty vacuum advance when he first bought the D1 he owned for a while. These guys were able to supply a reco distributor that fixed the issue: Performance Ignition Services
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  3. 7th April 2013, 04:01 PM #13
    Pierre
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    And Performance also does vacuum advance modules at a reasonable price.

    Pete
    Dizzie, 08 D3 TDV6 SE
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  4. 7th April 2013, 07:23 PM #14
    evans52 Guest
    Cheers all for the suggestions. Certainly gives me somethings to look at. Now to find the time. However, the problem showed it's ugly mug a bit more than normal this weekend, so I may have to make the time. I'll also see how many new swear words I can create. I'm pretty good at that.

    I will post the results...........of the problem, not the swear words.
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  5. 9th April 2013, 02:57 PM #15
    Pierre
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    Hmmmm

    More I hear, the more I reckon the fault will be ignition related.

    Pete
    Dizzie, 08 D3 TDV6 SE
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  6. 6th May 2013, 06:28 PM #16
    evans52 Guest
    OK more of an update after some "testing" ie actually paying attention to what is happening and when all the time.

    LPG - When driving a loud "click" hollow in sound can be heard coming from the cylinders (scuba type), then the loss of power occurs. ie hold foot flat, slow acceleration then it "kicks in". After no specific amount of time, the same "click" is then heard again and the problem is no longer, until the next click.

    Petrol - First noticed this when driving on the highway at 100km/h a couple of weeks back. It was p**sing down with rain and while sitting steady on 100km/h there was a sudden loss of power and rapidly went down to 80km/h before I pulled to the side of the road. Turned the engine off. Checked vacuum hoses etc and all good. Started and drove off again without any problems. Over the last week or two, it now does the same thing at low speed ie 50 - 70km/h.

    I haven't managed to get to Bee-Utey's fix yet. Had it planned to do the weekend after Anzac Day and the parts lined up, but thanks to some dodgey tennants, our time & money has been spent on our Rental. Anywho, I was wondering if there were any further suggestions. I'd rather get a bit of "guidance" before I go to a mechanic in this small town and say, "here have a crack/look at fixing this".

    A side thought, is it possible to post video in the threads?

    Cheers Craig E.
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  7. 6th May 2013, 07:54 PM #17
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    Vern
    Vern is offline OldBushie
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    Sounds like gas solenoid is turning off and on
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  8. 6th May 2013, 08:01 PM #18
    evans52 Guest
    My first thought was something turning on/off. How would that effect petrol though? I've had the thought that the gas is switching "on/off" when running on petrol - if that's possible.
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  9. 6th May 2013, 08:08 PM #19
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    Vern
    Vern is offline OldBushie
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    Unplug either the gas or petrol solenoid and see if it still happens
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  10. 6th May 2013, 08:14 PM #20
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    bee utey
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    The most common reason for the gas solenoid cutting out is of course ignition failure. The gas flow is stopped whenever the ignition stops, by a device called a 'safety cut-out" or "safety switch" which senses ignition pulses. This is not a fault in the gas system but the way it is supposed to operate.

    The common thread is ignition failure. Have you checked the cables around the coil for tightness and cleanliness? I've seen many D1s with loose connectors, they get vibrated around a bit and need to be removed, squashed gently with pliers and refitted.
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