My 97 Camry won't shift into Overdrive. This problem started suddenly, after checking the transmission fluids, and coolant. I am still seeing issues with it shifting into OD.
Look for knock sensor codes in the history on the engine computer
SOURCE: 2000 Toyota Camry Overdrive wont kick in
Thnaks for the response back, Carol.
I am rather certain that your issue will be fixed by the replacement of your thermostat. Why?
You have stated the the temp gauge is lower than half at times...this leads me to believe that your thermostat is sticking open slightly...The science here is the fact that the OD is prevented from activating until the coolant temperature reaches 177 degrees F. This is controlled by the temperature sensor in the cooling system, and is part of the emissions package. It is not adjustable. The OD is prevented when the coolant is below 177 to reduce possible hydrocarbon spikes (emissions) at the tailpipe. In short, cool engine temps lead to high emissions, especially when the vehicle has engaged OD. Replace the thermostat, and you might as well replace the coolant at the same time. I am pretty sure this will cure your issue. The graciousness of a FixYa rating would be greatly appreciated. Thanks for choosing FixYa!
SOURCE: how to use the overdrive on the auto.transmission.
the overdrive button on your automatic transmission is for cruising on the highway basically like having another gear for better economy careful not to use it when your not on the highway because lugging the car in overdrive when its not needed will cause higher fuel consumption other than that you should have no problems just get out on the highway and push and away you go
SOURCE: Won't shift onto overdrive until engine warms up.
That's actually a feature, not a problem. The emissions control system will not let it go into OD until it's warmed up.
If your truck warms up in a normal amount of time, then you're all set.
Last year, my 4Runner started taking too long to warm up, so it wouldn't go into OD for a long time. In my case, it was that the thermostat was stuck open, so coolant was flowing freely even when the engine was still cold. Replacing the thermostat was quick and easy, and it's good as new again.
SOURCE: takes a long time to shift into overdrive
sounds like the toque converter is locking and unlocking have the trans serviced and flushed if this does not cure the problem then you could be looking at a trans rebuild or replacement.Check the fluid first could just be low.
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