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Old 11-12-2012, 02:12 PM   #1
Registered User
Join Date: Nov 2008
Location: Yulee, FL
Posts: 34
My Ride: 2002 C/B M3
A/F ratio problem

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.
02 CB/Blk M3 - AA stage 2 gen 7 SC, AA headers, AA clutch/flywheel, RE Rasp Pipe, RE X-pipe, RE El Diablo, KW V2, Brembo BBK, UUC short shifter, 19" Miro competition rims, CSL Front bumper, diffuser, full CF trunk, CF GTR hood

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