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hard to start first thing

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2CV Club Australia › Forums › 2CV Technical › hard to start first thing

  • This topic has 10 replies, 4 voices, and was last updated 8 years, 7 months ago by ayjay.
Viewing 11 posts - 1 through 11 (of 11 total)
  • Author
    Posts
  • 5 May 2012 at 2:06 am #203
    tasmanisle
    Participant

    Hi, I am having trouble starting my 2CV, it will not fire at all until I drop a minute amount of fuel down the carb, it then fires immediately and will continue to start first hit all day. the next morning, I have to go through the same ritual, seems like a possible fault is the fuel must be draining from the carburetor and by the time it pumps back up to the float bowl, the battery is tired and it will not start. Is this a common problem?:confused:
    Rob

    6 Jun 2012 at 1:22 pm #781
    petermelb
    Participant

    its not a common problem, try fitting a new fuel pump, or it could be the coil being damp, try changing the coil for a dry spare just before starting

    another thing to try is a little aerostart before starting

    6 Jun 2012 at 10:56 pm #782
    petitepoupee
    Participant

    I’m not suggesting this is Rob’s problem, but I was having starting trouble recently. Thought it was fuel at first but priming did no good. Then pulled a plug (looked good) and checked to see if there was spark: there was. What the hell, I fitted new plugs anyway and hey presto – alles gut! I can’t figure out why that remedied it, but who cares anyway.
    BTW Dolly has the 123 ignition kit fitted.

    7 Jun 2012 at 2:12 am #783
    tasmanisle
    Participant

    Thanks for the advise, it has a new fuel pump and new coil,if I put a little bit of fuel in the base of the aircleaner it will start immediately, from then on it fires on the key for the rest of the day. park it overnight and the problem is there again for the first start of the day. It is just the inconvenience of taking the aircleaner off and dripping a little fuel onto the base. Maybe a new battery could help, give it a bit of spark as the battery tends to wind down quickly if I try to start it without the fuel tickle. It still has a French battery, no idea how old.

    12 Jun 2012 at 3:22 am #784
    petermelb
    Participant

    its easy enough to check the battery, either take it to a battery retailer for a load test, or check it with a voltmeter, it should read around 12.5 to 13v, then try starting the car and watch the voltage as the starter turns, if it drops below around 9v you need a new battery

    12 Jun 2012 at 4:10 am #787
    tasmanisle
    Participant

    Hi,
    thanks for the advice, it is only 6volt so it does not have any grunt to begin with, I will have the battery tested, will put it on a battery load tester and see what happens
    Rob

    18 Jul 2012 at 9:28 pm #788
    ayjay
    Participant

    the back draining of carburetter fuel indeed its a common fault of 2cv,s, including mine
    when at rest the fuel in the carburetter bowl back-drains back down the fuel line gradually,
    it takes a minuit or two of engine cranking to re-fill the bowl,
    theres a non-return fitment that can be fitted into the rubber fuel pipe to eliminate this problem

    18 Jul 2012 at 9:33 pm #789
    ayjay
    Participant

    DSCF0079-1.jpg

    18 Jul 2012 at 10:34 pm #790
    tasmanisle
    Participant

    Thanks for the advice, a trip to Repco is in order, I will fit it and let you know the result
    Rob

    18 Jul 2012 at 11:06 pm #791
    ayjay
    Participant

    thanks for the reply tasman!
    i,m a pom,(uk newbie) but know quite a lot about these wondeful 2cv,s
    i and my brother strip them, then put them back together, and know about the bits by doing so–
    lets get this forum alive again!
    2cv,s are becoming very valuable world wide

    18 Jul 2012 at 11:10 pm #792
    ayjay
    Participant

    hondapics001.jpg

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