Set idle speed adjusting screw, clockwise to increase rpm, counter-clockwise to decrease rpm. Idle rpm range should be 950 to 1050 rpms. Adjust idle mixture by turning idle mixture screw slowly clockwise until the engine runs poorly. How to adjust idle speed in car engine. Years 2000 to 2015. How to adjust idle speed in car engine. Years 2000 to 2015. #1 · Aug 29, 2003. Hiya. I got the timing done on my car, but now once the engine is warmed up it idles so low (500rpm) that is shakes violently and sometimes stalls. I was just wondering what I need to do to adjust to idle so that it's back up to around 900rpm. I have a 5M-E enginebut tell me what you do on your 5M-GE's anywaywhere do I go? 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. 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. Vay Nhanh Fast Money.

how do i adjust idle speed