How would you set the base idle speed on a mechanically operated throttle body?
How would you set the base idle speed on a mechanically operated throttle body? SETTING ENGINE IDLE SPEED Turn idle speed screw counter-clockwise until the throttle butterfly is fully closed. Then continue to turn idle speed screw counter-clockwise until you can see between the screw and stop (or if using a feeler gauge - . 010") then turn clockwise one full turn. How is the idle speed of an engine controlled? The valve or motor is controlled by the engine control module, which will adjust the idle speed according to parameters such as engine temperature and electrical system load. What...