1997 Toyota Celica when engine is cold, engine stalls/won't

Tiny
MARC A.
  • MEMBER
  • 1997 TOYOTA CELICA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 98,000 MILES
Hi. When the engine is cold I trouble getting the engine to idle. It will stall out until I keep the RPM's at 1,000 for about a minute or so.
Once the engine warms a bit, it idles fine-holding 800 RPM's. I replaced the throttle postioning sensor, and that seemed to work for a bit, then resorted back. It was doing it every 2nd or 3rd start(like some was sticking), now it is almost every start.
It is worse, of course, when the temperature outdoors is really cold.
I tried adjusting the throttle sensor, and that seemed to work, but then it reoccurs.
The engine has been tuned, and the the throttle body has been cleaned. I cannot seem to find an answer to this one.
I would really appreciate your advise.
Thank you, Marc Aldrich
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Monday, January 7th, 2008 AT 5:15 PM

4 Replies

Tiny
BMRFIXIT
  • EXPERT
Hi marc

On the side of the throttle body you have a idle air control valve
it need to be cleaned at least or replaced it
it has two small coolant lines connected to it so be careful
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Monday, January 7th, 2008 AT 5:23 PM
Tiny
MARC A.
  • MEMBER
I will give that a shot. I appreciate the info. Do I have to take the air control
valve off in order to clean it? What is the best way to clean it? Thanks again- marc
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Monday, January 7th, 2008 AT 6:21 PM
Tiny
BMRFIXIT
  • EXPERT
Always worked for me
and I found it ez to do if I remove the throttle body.
And clean the hole thing out
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Monday, January 7th, 2008 AT 7:03 PM
Tiny
MARC A.
  • MEMBER
Thanks again, I will let you know the outcome. Have a great day!
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Tuesday, January 8th, 2008 AT 1:18 AM

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