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International Automotive Technicians Network
Re: Wasted spark system that only miss on one cylinder
Posted to Technical Discussion Forum on 7/9/2022

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... Doing the grounding probe trick is just to tell me if the cylinder is producing any power (RPM drop) when disabled...and not harming the coil at the same time... I just listen for RPM change (drop).

... Dan H.

... Hobbs

... South Texas ...

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