Throttle Freeplay Inspection
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Apply the brakes. Engage the park brake. Shift the transmission to neutral.
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Remove grass, leaves, foreign matter, and other flammable material or debris from the throttle linkage and components.
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Start the engine. Allow it to warm up thoroughly.
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Measure the distance the throttle pedal moves before the engine begins to pick up speed. Freeplay should be 1/16–1/8 in (1.6–3.2 mm).