E46Fanatics - View Single Post - A/F ratio problem
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Old 11-18-2012, 09:53 PM   #5
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Join Date: May 2010
Location: Winter Park Florida
Posts: 174
My Ride: 04 SMG Coupe JB/IR
Originally Posted by ryryde View Post
Hello all im having some problems with my A/F ratio. when i started my car my A/F would get dialed in at 14.5 ish then id start driving and it go up to 22 then drop down to 7.4 and stay there. Now it is at 7.4 all the time no matter what. Also it will get up to 6 lbs off boost and then drop down to nothing and im guessing thats just because the car is in limp mode. Im guessing its the O2 sensors. Was wondering what you guys think. Oh and i have an AA stage 2 gen 7 so i just had my tune upgraded when i went to the new manifold so i wasnt thinking it was that.

I had the same problem. It's just the O2. I replaced it and relearned it to the LC-1 and it's perfect again.

Supersprint Race |Quad FX-R|TE37SL | BC Racing Coilovers | AA Headers | AA Supercharged 516rwhp on pump gas
Originally Posted by southpaw View Post
Now THAT is some good rubber. Everybody: this is what an M3 should look like.
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