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Old 02-12-2013, 10:00 PM   #2
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Is the CEL on? It kinda sounds like your on the right track in snow getting up there, getting ignition parts wet and causing the miss. If its outright missing, using insulated pliers or gloves, pull one spark plug wire at a time. If the engine runs worse, its not that cylinder causing the problem and plug it back in. If it doesn't change with a wire pulled, that cylinder is the one missing and further inspection of the plug and wire is called for.
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