i have a idling problem it will go up and down from 15oo to 2000 and doesnt stop on 1991 Toyota Pickup

i tried replacing the o2 censor and that didnt work. it will also shut off after being run for a long time and when i try to start it it seems like its flooding have any sugjestions?

by in St Clairsville, PA on January 09, 2013
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1 answer 1 comment
ANSWER by , January 09, 2013
maybe you have a vacuum leak
COMMENT by , January 09, 2013
i already had all the hoses checked