Well how the tittle says my air fuel change out of no where.

My truck is a 2010 5.3 single cab with a t76 mm turbo kit with 6 lbs of boost from trickperformace. Well i had it dial in close for my WOT part air fuel was around 11.4 and at 80mph+ AFR was at 11.2 timing at 9* 10*

So i was like im going to bump it up to 11.4 at top, so i took off from 10 miles i was going at it and out of no where my truck bog down I had my eyes all the time at my AFX wideband and when it bog down airfuel jump to 14.3 so i let go real quick. I though it will be gas since i was almost empty but next day i pump gas and try it out now from a dead stop or any roll my airfuel its way lean i cant think what happen i had it real good.

I check for a boost leak everything is good.

 

did you change anything in the tune? what fuel pump and injectors are you running?

 

No i didt change nothing, im running 52 lbs inj with stock fuel pump (flex fuel)

 

who tuned it?

 

Im tuning it.

 

Ok ok, Im looking at my ligs and its not entering PE at wot.

 

what software are you using to tune? post your tune and some logs so we can help you out.

 

Hptuners.

Let me try to post it up because last time it didt let me.

 

Heres a small log i did yesterday.

 

Log your commanded fuel ratio. and it looks like you only went to 84% TPS. Make sure you enable PE ealier. around 50% throttle.