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Is your voltage output correct before a/c is turned on? If so does it drop drasticly when you turn it on? If this happens check for a short, it may be robbing voltage, and not giving enough power to the ignition system. Don't know if this will help to point in some direction, just a thought.

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โˆ™ 2007-05-05 14:09:08
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Q: Why would a 460 that otherwise runs perfect backfire terribly when the AC is turned on?
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