How Can I Adjust Idle Speed? Post by chobo2 » Sat Apr 29, 2017 8:03 pm. Hi. When my car is warmed up and I stop at a light or put it in "park" I get an idle speed of 600. This makes it kinda uncomfortable and I would like to correct. I am wondering if this is something I can adjust easily myself or if I need to bring it to a mechanic.
Written By:- Alfredo Updated on September 10, 2023. To adjust the idle speed on a stihl chainsaw, locate the idle speed screw and turn it clockwise to increase the speed or counterclockwise to decrease it. Proper adjustment of the idle speed ensures smooth operation and prevents stalling. 5 Ways to Make Train Journeys More Fun. Turn the idle screw to adjust the idle—turn the screw to the left to increase the RPM or to the right to lower it. When you have adjusted the idle— aim for 650 RPM —reconnect the idle air adjustment valve's electrical connection. #1. My timing is correct and need to adjust the idle speed. It is low at about 615-620 rpm. How do I adjust it up? Is there an idle screw in the throttle body or is it not that easy..lol The FSM says that I do it through the IAC but dunno if this is it or if it is how do I adjust it at the IAC. thanks of any help. Open the hood of your vehicle and locate the idle control screw on the throttle body. Turn the idle control screw clockwise to make the engine idle faster or counterclockwise to make it idle slower. If you turn the screw too far in either direction, it may fall out. If this happens, turn it back one full turn and try again. XZJJge.