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#17
November 22nd 04, 09:35 PM
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"Jay Honeck" wrote in message news:cI9od.66570$V41.11973@attbi_s52...
Our JPI EDM-700 engine analyzer may have paid for itself today. Here's the scenario: snip Your tests have pretty well narrowed it down to a plug that isn't firing (the 1st thing I look for when EGT shoots up on one cyl.). It's unlikely that the mag is firing well on all but one cyl. The most likely causes are a plug wire or the plug itself. If your mech is equipped with good testing gear, he should be able to isolate the problem pretty quickly. John Galban=====N4BQ (PA28-180) 
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