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It stay lean, the mix get perfect on hard acceleration n etc but lean on low rpm cruising. I do not have the exact number cuz my wide band o2 do not work, had to test it on the dyno
I think you've got a big ol vacuum leak or exhaust leak. It doesn't set any lean codes?
check engine code? nothing, the vacuum read correctly like I told you last time, I still didnt change the plastic T that is a bit smaller then the fuel rail ose, but ive tighten them with 3 tie wrap and electrical tape, pretty sure this is not my problem.. I really need to find out where can I buy some pype or cherrybomb reasonator, cheapest route to go else then changing my headers to some with cats.