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    jarvy01's Avatar
    jarvy01 Posts: 4, Reputation: 1
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    #1

    Jan 3, 2010, 10:40 PM
    91 dual carb civic stalls on idle
    91 e.g. 1500 dual carb civic will stall on idle most times and idles like its on 3 cylinders will run fine till get up to 5000 rpm then will lurch and cough
    jarvy01's Avatar
    jarvy01 Posts: 4, Reputation: 1
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    #2

    Jan 3, 2010, 10:41 PM

    It happened after I jump started a friends car while jumpstarting it died will start fine just won't hold low revs
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #3

    Jan 4, 2010, 07:52 AM

    I would remove, clean (Stoddard fluid) and rebuild the carburetor. Not a bad job on Japanese carburetors, since they love to use O-rings rather than gaskets.
    jarvy01's Avatar
    jarvy01 Posts: 4, Reputation: 1
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    #4

    Jan 4, 2010, 08:08 PM

    Also its getting error code 5 from the ecu I don't think it is the carbys because was fine until an arc from the jumper cable to the air filter cover cut it out whilst I was jump starting ever since then runs rough
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #5

    Jan 5, 2010, 06:40 AM

    Code 5 = Manifold Absolute Pressure (MAP) Sensor

    MAP Sensors can be very expensive. As you found out, it's not safe to jump start modern-day cars, since voltage spikes can destroy ECMs, alternators, and sensors. It's safest to remove and fully charge batteries.
    jarvy01's Avatar
    jarvy01 Posts: 4, Reputation: 1
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    #6

    Jan 15, 2010, 07:06 PM

    Okay we found the problem would never have guessed it for myself after the mechanic took a day to diagnose the problem it ended up being an earth cable from the carburettors they need to be earthed hope this helps someone else
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #7

    Jan 15, 2010, 07:11 PM

    Nice job. I'll have to remember that. Is that because of the Throttle Position Sensor?
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