i have a 1989 f-350 with a 7.3 diesel and when i let up off the throttle the tach goes to zero and the o.d. light will start flashing step on throttle it will go back to normal. i read in the forum something about a tach sensor but i am not able to find anything on it in my books or else where...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.