changed ev fan clutch 2x - changed relay - replaced h20 pump, thermostat, radiator, coolant sensor etc.... still got the airplane taking off noise, crappy engine running, poor fuel mileage etc and the beat goes on.... help - btw also replaced engine side pigtail for wiring harness to clutch fan - there was a wire broken right past blade terminal sleeve and all the contacts were corroded. 5v reference is good no issues so im at my wits end..... HELP