93 camry 2.2 weird engine problem

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Old 21 Sep 2006, 07:28 pm   #1 (permalink)
Honda2nr
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Default 93 camry 2.2 weird engine problem

I have a 93 camry 2.2l auto with about 140k on the motor. I just put a
new/used motor/trans in it about 3 months ago... i drive down the road,
let up on the pedal and it wants to stall and rough idles bad, ill rev
it up and it goes away, temp gauge reads normal untill it does this and
i rev it up and the temp gauge goes to H for a second. ... i took the
thermostat out of it and put a blank in it so it wouldnt heat up. but
its time to fix it now... i put a brand new waterpump, belt, stainless
thermostat, and im not getting any diagnostics code... Im out of ideas
and im not exactly a amature when it comes to cars...

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Old 21 Sep 2006, 07:49 pm   #2 (permalink)
davemac
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Default Re: 93 camry 2.2 weird engine problem

If the rough idle is occuring with the temp gauge going to high
temporarily, then your ECTS (temp sensor) sensor must either be bad or
you have a loose connection/broken wire for it. Probably a loose
connection.

davemc

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Old 21 Sep 2006, 07:53 pm   #3 (permalink)
davemac
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Default Re: 93 camry 2.2 weird engine problem


davemac wrote:
> If the rough idle is occuring with the temp gauge going to high
> temporarily, then your ECTS (temp sensor) sensor must either be bad or
> you have a loose connection/broken wire for it. Probably a loose
> connection.
>
> davemc


actually another possibility is that you have an air pocket in your
cooling system due to insufficient fluid and or improper filling.

davemc

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Old 21 Sep 2006, 08:39 pm   #4 (permalink)
Honda2nr
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Default Re: 93 camry 2.2 weird engine problem


davemac wrote:
> davemac wrote:
> > If the rough idle is occuring with the temp gauge going to high
> > temporarily, then your ECTS (temp sensor) sensor must either be bad or
> > you have a loose connection/broken wire for it. Probably a loose
> > connection.
> >
> > davemc

>
> actually another possibility is that you have an air pocket in your
> cooling system due to insufficient fluid and or improper filling.
>
> davemc


I actually just replaced both temp sensors and the connections are both
good... im not sure about the coolant deal... since there is no relief
valve on the coolant system its almost impossible to get the air out
besided the radiator cap...?

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Old 22 Sep 2006, 03:47 pm   #5 (permalink)
davemac
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Default Re: 93 camry 2.2 weird engine problem



>
> I actually just replaced both temp sensors and the connections are both
> good... im not sure about the coolant deal... since there is no relief
> valve on the coolant system its almost impossible to get the air out
> besided the radiator cap...?


Do you have two caps, one on the rad and one near the coolant outlet on
the engine? If so remove the one on the engine (you will have to break
the plastic cap off) and have the front of the card elevated on jack
stands or parked on a steep hill. Fill the cooling system this way and
you should be guaranteed of no air pockets. If the tmep gauge goes up
briefly and then back to normal, I'm assuming this happens rather
quickly such that it would not be the coolant changing temp that fast
and therefore it is possibly an air pocket(s) in the coolant? How fast
does it change?

davemc

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Old 22 Sep 2006, 04:12 pm   #6 (permalink)
Honda2nr
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Default Re: 93 camry 2.2 weird engine problem


davemac wrote:
> >
> > I actually just replaced both temp sensors and the connections are both
> > good... im not sure about the coolant deal... since there is no relief
> > valve on the coolant system its almost impossible to get the air out
> > besided the radiator cap...?

>
> Do you have two caps, one on the rad and one near the coolant outlet on
> the engine? If so remove the one on the engine (you will have to break
> the plastic cap off) and have the front of the card elevated on jack
> stands or parked on a steep hill. Fill the cooling system this way and
> you should be guaranteed of no air pockets. If the tmep gauge goes up
> briefly and then back to normal, I'm assuming this happens rather
> quickly such that it would not be the coolant changing temp that fast
> and therefore it is possibly an air pocket(s) in the coolant? How fast
> does it change?
>
> davemc


It changes rapidly, But only when i rev it up, and there are only one
cap for this coolant system

Mike

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