Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - Speedometer jumps/bounces and car trembles/shakes
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Old 05-14-2007, 09:08 PM   #15
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Originally Posted by fastfocus00 View Post
i had the same problem. its prolly your speed sensor malfunctioning. my car did the same thing. have someone replace it and it should take care of it. your speedo and tach and trip run off the speed sensor which is part of the tranny so when your speedo jumps around it makes the car feel like its shaking and what not.

x2... I bet its the Trans speed sensor
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