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Author Message Don Evans (Doninwa) Registered Member Username: Doninwa Post Number: 249 Registered: 1-2007 Posted From: 208.81.157.234 Rating:  Votes: 1 Posted on Friday, January 29, 2010 - 1:40 pm:    "Is no fuel condition and idle the same thing?" No. Idle is with the governor keeping the engine at idle RPM. Rack being partially open and controlled by the governor. Buffer switch open to prevent jake operation. No fuel is with rack closed, hence 'no fuel'. This is when you lift your foot from the throttle and the engine is still above idle RPM. Buffer switch closes to allow jake operation until engine reaches idle or you apply throttle which opens the rack and buffer switch.