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f250 auto slams into gear

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Old 12-30-2001, 01:48 PM
shiffer shiffer is offline
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f250 auto slams into gear

does anyone know if this is a electrical problem or a transmition problem? speedomiter does not work/ trans slams/ until it warms up, then it works fine. F250 4x4 auto(heavy 250). THANKS,DAN
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Old 01-03-2002, 09:02 PM
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f250 auto slams into gear

It's probably the vehicle speed sensor. It's located on top of the rear differential.

When the sensor isn't working right the speedometer doesn't work and the computer doesn't know how fast the truck is going, either. It needs to know this to know when and how to shift the transmission.

A new sensor is well under $20. I recommend changing it. It's an easy 5 minute job. There is one electrical connector and one bolt.

Mark
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Old 01-04-2002, 01:56 AM
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f250 auto slams into gear

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