lambda

Good afternoon all, I have recently had some reoccurring issues with my Lambda2 reading 0, or off. It does this at random times, regardless of weather, gas, etc. It stopped for around a month, as the car had been sitting, but recently started again. This happens during driving, flashing on and...

Trying to get a better understanding of AFR and lambda. New to this Lambda thing. Running a Lund flexfuel tune with 93 pump gas and the alch% learned to 9.8% so it looks good. Lambda stays .99-1.01 at idle and stays at .85 at WOT so it seems to be great. My question is: as long as lambda stays...

I've been using 93 pump gas since I got the tune and initially AFR at idle was 13.5-13.8, and 11.4 or so at WOT. Now it is at 12.7 at idle and 10.4 at WOT. Still using 93 oct pump gas and alcohol % is showing 32%. Anybody else get this? What'd you do? Edit: Solution on page 2.