1987 - 1996 F150 & Larger F-Series Trucks1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks
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I have a friend with a 94 F150, 302 engine, Automatic, 4x4. He was driving down the road the other day and it banged into gear at high rpm when it used to shift at lower RPMs. It also lit up the abs light and the speedometer stopped working.
He found that the rear end speed sensor wire was broken and has repaired that. That did nothing for the shifting. But, that did correct the abs light and non-functioning speedometer.
After that incident, it still does not shift right. What could be the cause.
pull that sensor out of the rear diff and clean it off. he should also trace that wiring back to make sure there are not any further breaks in the wire or spot that are grounding onto the frame. Has he unhooked the battery for 10-15mins and then seen if things clear up?
gotta pull codes, TPS issues may cause shifting problems, same goes for the mlps.
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