Toyota Corolla stalls when cold?

The car runs fine but starts stalling when its cold.This problem is noticed by many car users.
Because the problem is not constant,many car users ignore this stalling.
But this problem commonly caused by a dirty automatic idle speed control air bypass valve, it can be cleaned and correct the problem. There is a procedure to clean it.You can follow the procedure:---
Get a CAN of throttle valve cleaner from the local auto parts store Spray this cleaner into the air intake of the engine until you have used about half the can, you will need to hold the idle up while you do this, it will try to stall, after this shut the engine down and disconnect the Negative (-) battery cable for 5 minutes. The intake is now clean.Mostly after this your problem should be solved or at least get decreased and finally go away.But in case problem is same, then throttle and idle valve and sensors needs inspection.If you continue to have the idle speeds problems you may need to seek the help of a professional.
This details will help you.

---------

For more car related problem troubleshooting:---

This are the sections, you can go through and click the link to read its troubleshooting.

---------

The car will not start?

http://schematicsdiagram.blogspot.com/2011/06/car-will-not-start.html

-----------------

Car will not crank?

http://schematicsdiagram.blogspot.com/2011/06/car-will-not-crank.html

-----------

Car has no spark?

http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html

-------------

How to troubleshoot car battery?

http://schematicsdiagram.blogspot.com/2011/06/how-to-troubleshoot-car-battery.html

-----------------

How to test starter solenoid?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-starter-solenoid.html

--------------------

How to test cars starter?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-cars-starter.html

How to replace starter in car?

http://schematicsdiagram.blogspot.com/2011/06/how-to-replace-starter-in-car.html