Re: What am I missing? – QD19 spark

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legendre


Replies: 389
Topics: 8
#16188

If everything you’ve stated is correct, then the list is fairly short.

Are you certain that the plug wire for the ‘bad’ cylinder isn’t leaking off to ground? Perhaps it has broken insulation, or has been punched-through by high voltage? Simple continuity tests would likely never reveal these issues.. they may only manifest when the voltage reaches the gap-jumping level.