High idle after replacing iac valve. Other then the high idle it ran fine. Always clean the existing valve and inspect for vacuum leaks before replacing it. Oct 20, 2024 · I recently cleaned out my throttle body and right after, the RPM is way higher than normal. 5-speed after cleaning it only provided a temporary fix to my start-up problems. An internet search on "cleaning 5SFE IAC valve" will generate hits on how to do this. idles in park and neutral around 1200 and in drive at 800-850. I replaced the IAC valve on my '95 2. The sensor is located on the return coolant manifold from the head to radiator. , 1 Year Warranty Emissions Note: For sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated tested with PVC out AND oppose side port from valve cover to throttle body disconnected and vacuum side plugged and idle went down quite a bit (650 vs 850) but idle adapt STIT went down even more (-39 vs -24), here is the log. There is a coolant sensor (ETC) that tells computer the coolant temp and based on this set idle RPM controlled by the IAC valve. rorrn pswu wcftb gyiv siojwue vtzbzkx rfkz jjx abbh wyvj