The Mustang Forum for Track & Racing Enthusiasts

Taking your Mustang to an open track/HPDE event for the first time? Do you race competitively? This forum is for you! Log in to remove most ads.

  • Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!


Had the last codes fixed now this one popped up today at VIR. P0720-output speed sensor circuit The speedo didn't really work, and the shifting was goofy at low speeds, but once I got up to speed the car ran fine. Is this all part of the cheap harness??

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