speedometer jumps
when im at idle at a stop light or stop sign, my speedometer jumps up and down. kinda bounces. anyone know what this could be?
thanks -Luc |
bump
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This occurs only when u hit a bump?
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check your oss sensor is on your trans or transfer case other than that it really sounds like the needle is binding wonder if those modules can be RR'd seperately or if the entire cluster has to b changed out.:hmmmm2:
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Check your VSS (Vehicle Speed Sensor). I have found most speedo problems stem from a bad VSS. Other symptoms are rough shifting and O/D flash. The sensor is located on top on the rear diff. check out this post.
http://www.ford-trucks.com/forums/51...ed-sensor.html |
It is possible that the 2001 uses the output shaft speed sensor on the trans/transfer case can anyone verify?
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Yes the 2001 has a OSS on the upper driver side rear of the tranny. I believe the OSS sends info to the computer for proper transmission function. It works in conjunction with the VSS. If in question go to a parts store and get the codes. That should answer the question. Hope this helps.
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thanks a lot guys it was the sensor
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i hope you dont get the same problems i have had where on my 97 my speedo would jump from whatever my speed to was 99mph then drop to 0 then after awhile it would go back to normal i replaced my VSS and no go i couldnt even get the new sensor in!! i had to force the thing in and still didnt work and yes i went to other parts stores and bought about 4 different VSS sensors and notta thing they all did the same thing
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Re: speedometer jumps
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I am havin gthis same problem and it is driving me nuts becaues it is bouncing up an ddown on the needle from when I am not moving, when I am moving the speedometer works perfectly find but I do hear what sounds like a high pitched static noise behind the dash... -Nigel |
Re: speedometer jumps
Mine used to do that and it was the battery, I had to replace it... Once I did it stopped...
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