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International Automotive Technicians Network
Re: GMC Savanah Cut Out?
Posted to Technical Discussion Forum on 5/28/2018

Hi James

Think of the firing line and the spark line as an elastic band,as you pull up on the spark line(the KV's go up).The firing line OTOH is now lower(the KV's go down) because of the rise in the spark line. Scope a few wave forms and study individual cy... Login to read more.