88 S-10 blazer(runs too rich,floods)

i have a 4.3 that floods way to much fuel either cold or hot (TBI)-is there a sensor thats causing this? also idle is way to high running hot-if i unplug a vac line in front of TBI it comes back down-its a good
motor but this fuel consumption is nasty-power is about half what it was. any ideas guys-im stumped only know carbs.
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Rich LoCash wrote:

Are you getting any sensor codes?
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