New to tuning so I had a guy off the hptuners facebook page look at my tune and see what he could do with it. Runs good at wot but it seems to studder when in closed loop. The o2 sensor goes kinda crazy along with my wideband (while cruising) and by studder or surge I mean when the o2 fluctuates so does the power output of the engine. going to post my tune and log hopefully u guys can point me in the right direction. Thank you in advance.
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