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Why would the speedometer stick at zero and the transmission refuse to shift out of first on a cold 94 Taurus?


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Wiki User
2004-12-14 18:53:01
2004-12-14 18:53:01

MIGHT NEED A NEW SPEED SENSOR I posted the original question. I paid to have the symptoms diagnosed. It was actually a worn plastic gear set on the end of the speed sensor / speedometer cable and the mating gear in the transmission. The one inside the transmission requires tear-down of entire transmission... bad news.

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First check the speedometer cable going into the top of the transmission. If it is not broken the instrument cluster must be replaced.

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It is possible. Most new vehicles have a sensor attached to the transmission that tell the speedometer how fast the vehicle is traveling. I suggest checking, or having the sensor checked first.

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The speed sensor sends a signal to the speedometer to show the correct speed and it sends a signal to the transmission telling when to shift. If the speed sensor is bad the speedometer will not work and the transmission will not shift correctly.

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first, locate where the speedometer goes into the transaxle or transmission housing. unscrew speedometer drive from transmission housing and pull the speedometer cable out. the end of the cable unit has a couple of dipstick marks on the bottom of speedometer cable end you just removed. hope this helps. mine has 245000 miles on it and still going strong !!!

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The VSS (Vehicle Speed Sensor) is located on the transmission. If the speedometer is not working, it is rarely the VSS causing the problem. I would first check fuses and the ECU


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