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post #8 of (permalink) Old 8th December 2008
Technical Supremo

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The problem with coil packs is that sometimes they don't begin to fail until they get hot. You could measuring their resistance and see if one is any different than the others.
The principles shown in the links below may work although I'm sure the values would be different.
Most mechanics just disconnect one at a time and see which one has the least effect on running.
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