Runing lean tbi need help

[andrewt1021]

i have a 94 s10 350 with tbi injection. i have 92 camaro 5.7 tpi heads ported and camaro cam engine board 40 over i have a lean stumbl at 1500 to 2300 rpm i ajusted tps ans air fuel gage still reads lean and turn stumbles at 1500 to 2300 . i have new injectors

[char]

you said air fuel guage im guessing lot a wide band. the only way our going to get an accurate reading on your a/f is with a wide band. there not cheap at all some pocket programers have them built in... faulty oxygen sensor?

[andrewt1021]

i have a new o2 sensor just for the gauge and a new o2 for computer less the 200 miles on them and i have a computer tool to plug in to main computer shows it runing lean also