The symptom is classic for the accelerator pump. Ditto Beaver on working the throttle and checking for a good solid stream of gas from the accelerator pump. If it's anything less than a solid stream from the beginning to the end of the throttle movement it's the pump.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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