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Power Strokes
7.3 Tech
Weird speedometer issue
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[QUOTE="justinlogue5_0, post: 1563922, member: 7635"] All of a sudden while driving down the interstate at 75 mph with the cruise on I started noticing a surge (a quick power up and and then coast back down and repeat constantly). All the gauges were normal and I tapped the brake to turn off cruise and it went back to normal. Turn the cruise back on and it started surging again. I happened to glance over and noticed the digital speedometer reading on my Edge was bouncing up and down a couple miles at a time (up or down about 3 to 5 mph at a time). That explains why the cruise was acting up, the computer was trying to maintain a speed but the speed is jumping around. My actual speedometer gauge in the dash wasn't bouncing around? Did a quick google search and everyone said a bad VSS in the rear differential. Ok cool, quick easy fix......nope. New sensor and same thing. Now it is causing my anti-lock brakes to act funny. Hit the brakes and one minute the peddle is hard and next soft. There is no check engine or ABS light on. This happen to any one else? Where do I look? Supposed to head to the mountains pulling a camper in two weeks (of coarse) would really love to have this figured out/fixed before then. Thanks! [/QUOTE]
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