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lift pump going out maybe????

648 Views 2 Replies 2 Participants Last post by  Garrett, 
choupique108
how can i tell if my lift pump is going out.. not the cp3... i have noticed my fuel milage has dropped about 2-3... but what are the tell tell signs... i want to know b4 my cp3 has any damage
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choupique108
bump bump
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Garrett
i dont know but when mine went out the truck just shut off. i put the smarty on it and it gave to me two codes and then i just kept tryin to start it and then it would run for a while and shut off! but i dont know if there is any signs of it!
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