bludgod wrote:
cant help you logging the 2.5mm jack - but you could take that 0-5v input and log it from a rear o2 input
brilliant idea!
i've found that for my forester 2007 ot should be a "B4" wire at B135 socket/plug


is that looks true?
what is the best place to wire? directly at ecu side of the harness under passanger's carpet? (my aem afr output wire came from gauge mounted to dash)