I picked this bike up back in April of this year as a fixxer.(2019') It was involved in a low speed crash on semi-icey conditions and was all cosmetic exept for it needing a new stator, flywheel and stator cover along with the voltage regulator/rectifier.( It had been relocated to the opening in the side cowling and extended to reach cooler airflow) ...as we all know needs to be done on Gixxers. In the crash , the bike had slid on the pavement until it hit the curb and it flipped only to stop "fuel tank first" into a fire hydrant. Smashing the fuel tank down to the frame rails. No damage to frame. So when I got it, I was told he had purchased everything needed to make the bike street ready. So I disassembled what wasn't already off and boxed up and started from scratch. (I recently sold my motorcycle repair shop to retire eary. So I know most things about bikes although my shop specialized in older models as there has a high demand in this area) Fuel Injection , I will admit is not one of the systems I had alot of experience in. "Thankfully we have these type of forums". When I was reassembling the bike one of the parts I didn't notice that was missing was the upper half of the air box assembly. And after getting everything together and ready for its first test start, , I had only one sub-harness/ plug that I could not find a home for. "Intake air temp sensor" ..... Bike fired right up , runs great, and it hauls the mail when your right wrist over powers your sense of reason and keeps twist that throtlle until there's nothing left to twist. But I have the C21 code. Is there any way to delete this sensor or is it a main factor in the ecm's fuel management system and needs to be in place? The reason I ask is that I can fabricate with the best of them and I made my own air box cover but it's not an exact replica of the stock OEM part and I hadn't yet looked closely to pictures of the location of the sensor in question. Thanks for reading my long (probably over detailed questions) and any advice would be greatly appreciated.