how do you replace a idle air control valve on a 1999 toyota corolla on 1999 Toyota Corolla

the idle keeps reving up on it

by in Campton, KY on May 07, 2012
1 answer
ANSWER by , May 08, 2012
You can try cleaning it first but if not, this will cover replacement too. http://www.ehow.com/how_6208851_clean-toyota-iac-valve.html