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Re: 07 Jeep 3.8 DIS p0302
Posted to Technical Theory Forum on 2/24/2018

Gene, good day. Waste spark can fool you, and it can seem to defy logic. It is a series circuit, with the current coming out of one coil outlet, through the spark plug on one cylinder, through the engine block, and reverse firing through the other spark plug, ... Login to read more.