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99 rx300 cold shifting problem

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Old 04-06-11, 04:46 AM   #16
Lexspeed
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To my recollection, our 99 RX300 has always done this (OD lock out thing until the engine warms up). I assume it is normal and further assume that it was Toyota's weird way to get a cold engine's temps up quickly to normal operating temps so as to reduce cold engine emissions. Cold engines emit more pollutants all things considered. If the tranny stays in 3rd gear the engine will rev higher and heat up quicker. What do you think about that theory?
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Old 04-06-11, 02:11 PM   #17
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Originally Posted by sktn77a View Post
I beg to differ. Inability to upshift into third without exceeding 4000 rpm is not normal. None of the above applied in my instance. I guess we'll just have to agree to disagree.
It IS normal for OD to be locked out...
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Old 04-06-11, 04:38 PM   #18
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Your third gear is OD??? You definitely have a problem transmission!

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Old 04-06-11, 05:22 PM   #19
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Your third gear is OD??? You definitely have a problem transmission!

I misread your post, but... either way, it's completely normal to have delayed shifting when the car isn't up to optimal operating temperature, this subject has been beat to death numerous times.
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Old 06-20-14, 08:50 AM   #20
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Default Shifting to overdrive

Mine is the opposite. 1999 rx300 shifts to overdrive when cold and will not when it warms up. Any ideas? I also have a check engine code for running lean.
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Old 06-20-14, 10:20 AM   #21
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Mine is the opposite. 1999 rx300 shifts to overdrive when cold and will not when it warms up. Any ideas? I also have a check engine code for running lean.
Welcome to CL.

Please have the problem of running lean (Fix root cause of CEL) and most likely your limp mode will go away.

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Old 06-20-14, 10:20 AM
 
 
 
 
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1999, 300, 99, bad, car, jerks, lexus, make, rs, rx, rx300, sensor, shift, shifting, temp

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