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insufficient engine output

hill

acceleration demand (from driver)

headwind

bad thermostat

electrical problem

Ford

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Q: What would cause a transmission to downshift out of overdrive while driving at 65-70 mph?
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What would cause my transmission to automatically shift out of overdrive while driving on interstate?

Your transmission might automatically shift out of overdrive while driving on the interstate because of low transmission fluid. This issue might also occur because of a bad transmission sensor or overdrive sensor.


On a ford escort zx2. What would cause transmission not to shift into overdrive?

what would transmission not to shift in to overdrive


What would cause 1993 dodge stealth transmission to fail in overdrive?

the overdrive sencer


What is the cause of Corvette 4 3 transmission overdrive not shifting?

My 1984 corvette transmission is not shifting into overdrive. It shifts first thru third fine.


Should overdrive be used while driving at all times?

If you are city driving, and stopping at many lights. The tranny might be shifting into overdrive constantly for just a few seconds before you have to stop again, which would cause excessive wear on an expensive transmission. Personally, in this situation I would disengage the overdrive.


What would cause your overdrive switch to not work on a 1995 Mazda Protege when passing a car and the overdrive switch is off it won't automatically shift down to accelerate?

If the overdrive switch is turned off then the car will not go into overdrive. As it is not in overdrive, then it will not downshift out of overdrive as it normally would. It also will not shift to 3rd gear above a certain factory preset speed. Turn th overdrive on and see if it operates normally.


What causes a vehicle's RPMs to rev up while driving?

If you accelerate and the transmission shifts to a lower gear of the overdrive disengages the RPMs will increase. If the vehicle has a manual transmission a slipping clutch will cause the RPMs to increase if the clutch is defective.


What does blinking overdrive off light mean?

If the O/D OFF light is flashing while you are driving you should take the vehicle in for servicing as soon as you can because you can cause damage to the transmission


Does overdrive cause transmission slipping?

If the transmission is healthy and any/all adjustments are done properly there should be no slippage.


What happens when downshift 18 wheeler to fast?

Usually, it won't go into gear. If you get it into gear, you could cause serious damage to the transmission.


In a 1998 escort what would cause a automatic transmission not to shift into overdrive?

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Why won't 1988 new yorker downshift?

It sounds like your having a transmission problem. There is a lot of things that could cause this in a transmission, including a bad siloniood or it could be a clogged filter.