At 70mph it is running at 23k rms, at 80mph it hitting around 26k rpms. Tried to use trailer button to see if rpm would increase but it did not. After turning trailer button off it stayed the same. So I believe it is trans not shifting into overdrive. Do you have any answers or rebuild time?
SOURCE: car will not shift into overdrive
As a response to solution #1 these cars do have an overdrive while in D-4, mine was shifting in and out at 70 mph until it finally quit and the rpm is now 3100 at 70 mph insted of 2700. The car still shifts 4 full times just not the fifth-OD. I still can't find out what fixes this problem either.
SOURCE: rx300 with 143000 miles, overdrive won't engage
Start by checking the least expensive items: Make sure you are not activating the O/D switch in the shift stick inadvertently. Look at the display panel, if the "Eng" light is on, you must get the code and repair the affected item. If you have knock sensors and/or oxygen sensors malfunctions that may prevent the transmission from shifting to O/D. Check the ground cables located in the engine compartment, especially the ones behind the air intake manifold. If they are loose or broken it affects the ECU (car computer) and causes the transmission to work erratically. If they become disconnected it may burn the ECU and shut down the car. Now going to more profound mechanics, it could be a sticking shift solenoid valve, your RX300 transmission have five of those located were the transmission oil strainer (filter) is. It can also be an ECU malfunction and/or related to the wiring from the ECU to the transmission connectors. Always start from the least expensive and recheck the obvious. Good luck.
SOURCE: 1996 honda accord wont shift into overdrive
For Automatic transmission
problem,click the link below:----Overdrive light in the dash blinks?
http://repairhelpcenter.blogspot.com/2012/01/overdrive-light-in-dash-blinks.html http://howtobyme.blogspot.com/2011/11/automatic-transmission-will-not-go-into.html --------- http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html ----------- http://schematicsdiagram.blogspot.com/2011/07/how-to-check-automatic-transmission.html -------------- AUTOMATIC TRANSMISSION FLUID AND
FILTER? http://schematicsdiagram.blogspot.com/2011/07/how-to-change-automatic-transmission.html ----------- http://schematicsdiagram.blogspot.com/2011/12/transmission-fault-light-on-car-dash.html -------- http://schematicsdiagram.blogspot.com/2012/01/transmission-shifting-problem-on-toyota.html -------- http://repairhelpcenter.blogspot.in/2012/02/transmission-slips-out-of-2nd-gear.html ----------- http://repairhelpcenter.blogspot.in/2012/02/od-light-flashing-and-transmission.html ---------- http://repairhelpcenter.blogspot.in/2012/02/transmission-fluid-leaks-near-radiator.html ---------- http://technoanswers.blogspot.in/2012/02/ford-windstar-transmission-fluid.html ------------- http://technoanswers.blogspot.in/2012/02/dodge-neon-wont-go-in-reverse.html ------------- http://technoanswers.blogspot.in/2012/02/dodge-automatic-transmission-will-not.html ---------- http://technoanswers.blogspot.in/2012/02/transmission-is-making-buzzing-noise.html ----------- This
will help. Thanks.
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Automatic transmission
troubleshooting:----
Automatic transmission shift lever
issues?-------
AUTOMATIC TRANSMISSION FLUID LEVEL? --
Transmission fault light on
car dash?
Transmission shifting
problem?
Transmission Slips out of 2nd gear?
OD light flashing and transmission fluid
leaking?
Why Transmission fluid leaks near radiator?
Transmission fluid leaking?
****** wont go in reverse?
Automatic transmission will not go into
reverse?
Transmission is making buzzing noise?
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