Actually if you leave it plug in permanently you can fix the close loop at 13.8:1 and call it the day. Remove the OEM O2 sensor... jo point to use both.Ha, I dont work for them or have anything to do with them. I get their emails and the FZ was in the latest email today. Lucky for me, I have an auto tune already, so that might help me. Only need to run it for a day or two.
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