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tbi i used to have i never got 100%, but i got it to recover out of the stumble faster by turning up the fuel pressure, helped low end power some too. if you take apart the TB the plate holding the spring for the fuel pressure regulator is on a threaded rod. find a couple nuts the same size as the threaded rod first so if/when the tab on the plate gets tired of bending back and fourth and snaps off you can double nut it to keep it from backing down. i didnt check my fuel pressure while i did it, just gave it a turn and drove it, repeat, until it quit helping to turn it more. dont know what i turned the pressure up to, but didnt hurt the mileage, and made it a little easier to drive
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