o/d troubles

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Old 30 Jul 2006, 12:39 am   #1 (permalink)
king kong
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Default o/d troubles

I've a 1990 camry auto the transmission runs perfectly until the temperature
gauge in the dash panel reaches normal running temp and simply cuts out of
o/d until it cools down again from not driving it.Have no idea what could be
wrong!

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Old 30 Jul 2006, 02:37 am   #2 (permalink)
m Ransley
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Default Re: o/d troubles

Try changing the oil and filter

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Old 30 Jul 2006, 06:18 am   #3 (permalink)
king kong
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Default Re: o/d troubles

m Ransley wrote:
>Try changing the oil and filter

hi, yes have done that and there was some improvment it stayed o/d for a
longer period when it reached normal running temp. Thank you for your
respones

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Old 30 Jul 2006, 06:43 am   #4 (permalink)
m Ransley
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Default Re: o/d troubles

Wnen you chek fluid level do you do it with a hot transmission.

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Old 30 Jul 2006, 08:23 am   #5 (permalink)
Daniel
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Default Re: o/d troubles

king kong wrote:
> I've a 1990 camry auto the transmission runs perfectly until the temperature
> gauge in the dash panel reaches normal running temp and simply cuts out of
> o/d until it cools down again from not driving it.Have no idea what could be
> wrong!

======================
Check your temperature sending unit for the electronic engine control
management.
(possibly a green color cap at the wiring connector near the water
outlet from the head - as it is on the next "gneration" Camry)
If the engine is running rich (when cold) and running fine, but then
doesn't correctly alter the fuel misture at the injectors for warm
operation, would create the sypmtoms you describe.

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Old 31 Jul 2006, 01:16 am   #6 (permalink)
king kong via CarKB.com
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Default Re: o/d troubles

m Ransley wrote:
>Wnen you chek fluid level do you do it with a hot transmission.

yep!

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Message posted via CarKB.com
http://www.carkb.com/Uwe/Forums.aspx...camry/200607/1

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Old 31 Jul 2006, 01:41 am   #7 (permalink)
king kong via CarKB.com
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Default Re: o/d troubles

Daniel wrote:
>> I've a 1990 camry auto the transmission runs perfectly until the temperature
>> gauge in the dash panel reaches normal running temp and simply cuts out of
>> o/d until it cools down again from not driving it.Have no idea what could be
>> wrong!

>======================
>Check your temperature sending unit for the electronic engine control
>management.
>(possibly a green color cap at the wiring connector near the water
>outlet from the head - as it is on the next "gneration" Camry)
>If the engine is running rich (when cold) and running fine, but then
>doesn't correctly alter the fuel misture at the injectors for warm
>operation, would create the sypmtoms you describe.

thanx for your input i checked temperature unit seems fine but I have noticed
just at the water outlet at the head there is a green plastic thing with 2
small what looks to be vacuum hoses connected to it 1 is broken off could
that cause the problem

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http://www.carkb.com/Uwe/Forums.aspx...camry/200607/1

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Old 31 Jul 2006, 08:13 am   #8 (permalink)
Daniel
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Default Re: o/d troubles

king kong via CarKB.com wrote:

> thanx for your input i checked temperature unit seems fine but I have noticed
> just at the water outlet at the head there is a green plastic thing with 2
> small what looks to be vacuum hoses connected to it 1 is broken off could
> that cause the problem

==============
Is possible.
My guess is that is the thermally controlled vacuum switch for the EVAP
system that ports vapor to the throttle body when the engine warms.
With the broken line, could be just like a large vacuum leak as soon as
it opens at operating temperature.

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Old 02 Aug 2006, 03:19 am   #9 (permalink)
king kong via CarKB.com
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Default Re: o/d troubles

Daniel wrote:
>> thanx for your input i checked temperature unit seems fine but I have noticed
>> just at the water outlet at the head there is a green plastic thing with 2
>> small what looks to be vacuum hoses connected to it 1 is broken off could
>> that cause the problem

>==============
>Is possible.
>My guess is that is the thermally controlled vacuum switch for the EVAP
>system that ports vapor to the throttle body when the engine warms.
>With the broken line, could be just like a large vacuum leak as soon as
>it opens at operating temperature.

I'll let you know what happens when i get it fixed.thanxs for your help.

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