I have a pretty well tuned base fuel map, but when I am in Lean Cruise mode I get very lean 17-19+ AFR during very low MAP areas. I have not noticed DFCO happenening except for a brief couple of times. My Hiway-AFR ratios are around 16-16.5. What should I check to help get back to acceptable AFRs. What do I need to do to enable/tune DFCO? I am running an EBL Flash ECM, TT-1 WB O2, TunerPro software.
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