Transmission Problem 93 Toyota Camry Does Not Want To Shift On ItsCorrect RPM

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Old 28 Nov 2006, 11:19 am   #1 (permalink)
spar
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Default Transmission Problem 93 Toyota Camry Does Not Want To Shift On ItsCorrect RPM

Would appreciate suggestion on what I need to do on my 93 Toyota Camry
Automatic Transmission to get it to shift properly.

Problem
The transmission is not shifting when it is cold or not warmed up.

The transmission will allow the engine rpm to rev as high as 3000 rpms
when you start out and does not shift until it warms up.

I have changed the throttle position sensor, but it doesn't seem to help.

Your suggestion or idea on what I need to repair is most appreciated.

Thanks
Herb
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Old 28 Nov 2006, 11:58 am   #2 (permalink)
Waybel
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Default Re: Transmission Problem 93 Toyota Camry Does Not Want To Shift On Its Correct RPM

Take the bottom cover off the tranny and check the filter.I had one that
wouldn't even move ,filter was blocked solid.Working great 3 years later
"spar" <spar@cogeco.ca> wrote in message
news:Ie_ah.18216$tP.12792@read2.cgocable.net...
> Would appreciate suggestion on what I need to do on my 93 Toyota Camry
> Automatic Transmission to get it to shift properly.
>
> Problem
> The transmission is not shifting when it is cold or not warmed up.
>
> The transmission will allow the engine rpm to rev as high as 3000 rpms
> when you start out and does not shift until it warms up.
>
> I have changed the throttle position sensor, but it doesn't seem to help.
>
> Your suggestion or idea on what I need to repair is most appreciated.
>
> Thanks
> Herb




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Posted via a free Usenet account from http://www.teranews.com

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Old 28 Nov 2006, 03:55 pm   #3 (permalink)
Daniel
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Default Re: Transmission Problem 93 Toyota Camry Does Not Want To Shift On Its Correct RPM

spar wrote:
> Problem
> The transmission is not shifting when it is cold or not warmed up.
>
> The transmission will allow the engine rpm to rev as high as 3000 rpms
> when you start out and does not shift until it warms up.

==================
Have you just recently acquired this vehicle?
The computer is designed to prevent shifting into overdrive until the
engine warms slightly.
If you're travelling at higher speeds with the engine cold, then 3000
rpms could be normal.
If you're saying it doesn't shift out of first or second gear that
would be different.

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Old 28 Nov 2006, 04:36 pm   #4 (permalink)
Mark
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Default Re: Transmission Problem 93 Toyota Camry Does Not Want To Shift On Its Correct RPM


Daniel wrote:
> spar wrote:
> > Problem
> > The transmission is not shifting when it is cold or not warmed up.
> >
> > The transmission will allow the engine rpm to rev as high as 3000 rpms
> > when you start out and does not shift until it warms up.

> ==================
> Have you just recently acquired this vehicle?
> The computer is designed to prevent shifting into overdrive until the
> engine warms slightly.
> If you're travelling at higher speeds with the engine cold, then 3000
> rpms could be normal.
> If you're saying it doesn't shift out of first or second gear that
> would be different.


This is TRUE.. I go through this every fall.

In the summer, it is warm enough from the git go that the car will
shift into OD as soon as I get to 40 MPH.

In the fall once it gets cool out, the car will not shift into OD for a
few minutes and I am not accustomed to hearing the engine rev so high
and I think something is wrong.

Yes you are correct, this is normal.

Mark

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Old 08 Dec 2006, 08:28 am   #5 (permalink)
spar
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Default Re: Transmission Problem 93 Toyota Camry Does Not Want To Shift OnIts Correct RPM

Mark
Thanks for your prompt reply.
It doesn't shift out of 1st or second until it has warmed up
or been driven approximately 4-5 miles.
One mechanic told me to change the TBPS Throttle body position
sensor and that should clear my problem. I did that and it did
not make a difference.
Do you have any other suggestions.
Thanks
Herb

Mark wrote:
> Daniel wrote:
>> spar wrote:
>>> Problem
>>> The transmission is not shifting when it is cold or not warmed up.
>>>
>>> The transmission will allow the engine rpm to rev as high as 3000 rpms
>>> when you start out and does not shift until it warms up.

>> ==================
>> Have you just recently acquired this vehicle?
>> The computer is designed to prevent shifting into overdrive until the
>> engine warms slightly.
>> If you're travelling at higher speeds with the engine cold, then 3000
>> rpms could be normal.
>> If you're saying it doesn't shift out of first or second gear that
>> would be different.

>
> This is TRUE.. I go through this every fall.
>
> In the summer, it is warm enough from the git go that the car will
> shift into OD as soon as I get to 40 MPH.
>
> In the fall once it gets cool out, the car will not shift into OD for a
> few minutes and I am not accustomed to hearing the engine rev so high
> and I think something is wrong.
>
> Yes you are correct, this is normal.
>
> Mark
>

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Old 08 Dec 2006, 11:55 am   #6 (permalink)
Daniel
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Default Re: Transmission Problem 93 Toyota Camry Does Not Want To Shift On Its Correct RPM

spar wrote:
> Mark
> Thanks for your prompt reply.
> It doesn't shift out of 1st or second until it has warmed up
> or been driven approximately 4-5 miles.
> One mechanic told me to change the TBPS Throttle body position
> sensor and that should clear my problem. I did that and it did
> not make a difference.
> Do you have any other suggestions.

==============
Check the factory service manual.
Shifting is controllled by solenoids run by the ECM.
Sounds like the shift solenoids are sticking.
http://www.turboninjas.com/camry/

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Old 09 Dec 2006, 03:18 am   #7 (permalink)
m Ransley
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Default Re: Transmission Problem 93 Toyota Camry Does Not Want To Shift On...

OD -overdrive wont work till 110f, Change Trans oil and filter Now.
Keep rpms under 1500 till car is warm or you risk oil filter bypass and
its just harder on the motor.

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