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Old 10-08-2013, 09:38 AM
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Voyager Voyager is offline
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Join Date: Mar 2010
Location: Williamsburg, VA
Cobra Make, Engine: SPF #2920 w/ Keith Craft 408
Posts: 250
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Default sticking throttle issue

Need help diagnosing an occasional sticking throttle issue. Have SPO 2920 with a KC 408. At rest, the mechanical linkage articulates smoothly from the gas pedal to the carb (see pic). However, while driving, the throttle occasionally sticks (rpm fails to drop between shifts and/or idle rises enough to cause unwanted acceleration). Tapping on the gas pedal drops the idle back down. Only happens occasionally. Inside of carb looks clean. Thoughts?
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