I have a Yamaha F115 that stalls when you slowly accelerate, if you throw the throttle forward it takes it and goes. It threw a TPS code about 50hrs ago but TPS voltage looks fine (.74) It seems that if the engine completely warms up to operating temperature it is not quite as bad. Engine seems to be running rich. Fuel pressure is not dropping. Any input as to why this might be stalling out would be greatly appreciated.
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