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Shifts in and out of OD at highway speeds?any ideas


Sandhappy3.0

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I have a 1999 RangerXLT 3.0L Flex Fuel 4x4, it is shifting in and out of OD at highway speeds. I have replaced the Throttle Position Sensor thinking that could be it but it was no help. If anyone has had this problem or knows something about this problem I would love to hear any ideas or solutions.
 


Bruce

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Put a scanner on it and check for codes.....could be possibly a bad speed sensor.
 

AllanD

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WHEN is it shifting in and out of od?

what throttle demand?

What speed?

Upgrades?

AD
 

Sandhappy3.0

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shifting in and out at 70 mph and higher and it happens only when i get on the highway with alot of throttle it seems if i just get on it easy it wont happen untill i have to get on it hard the only upgrades are a cold air intake kit 31x10.5 tires and some exhaust upgrades nothing major
 

Redneck1912

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Its suppose to do that so the trans doesn't overheat.
 

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