What is your question?
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What is your question?
stalling until the point it shuts off

Idle air control ? Have it diagnosed , if you think you have 'bad gas' (rare nowadays) then disconnect fuel line and pump a sample amount into a CLEAR plastic bottle and let it sit for a few minutes to see if any seperation. Then flush all the bio-diesel out of the tank change the fuel filter and plugs. Ran out of chex- mix- gotta go...........