At the rear of the engine on the left hand side there is an (AAV) auxiliary air valve. In front of this is a bolt sticking out. This is the idle setting bolt. Idle rpm should be 750 rpm.
To adjust the idle on a 1990 Jaguar XJ-S, first ensure the engine is at operating temperature. Locate the idle adjustment screw on the throttle body and turn it clockwise to increase the idle speed or counterclockwise to decrease it. After making adjustments, allow the engine to stabilize and check the RPM with a tachometer. If necessary, repeat the process until you achieve the desired idle speed, typically around 600-800 RPM.
on top of the upper intake there is a screw. it can be used to adjust idle speed.
To adjust the idle speed on a 1997 Jaguar XJ6, first ensure the engine is at normal operating temperature. Locate the idle speed adjustment screw on the throttle body; turning it clockwise increases idle speed, while counterclockwise decreases it. Use a tachometer to monitor the RPM and adjust to the manufacturer-recommended idle speed, typically around 700-800 RPM. After adjustments, clear any diagnostic trouble codes if present, and ensure the throttle response is smooth.
May be computer controlled and not adjustable
how to adjust idle on 2001 legacy
To adjust the engine idle on a 1990 Mazda Miata with a 1.6 engine, locate the idle adjustment screw on the throttle body. Start the engine and allow it to reach normal operating temperature. Then, use a screwdriver to turn the idle adjustment screw clockwise to increase the idle speed or counterclockwise to decrease it, aiming for an idle speed of around 850 RPM. Always double-check the idle speed with a tachometer after making adjustments.
To adjust the idle speed on a 1990 Mitsubishi Pajero V6, locate the idle speed adjustment screw on the throttle body. Start the engine and allow it to reach operating temperature. Using a screwdriver, turn the screw clockwise to increase idle speed or counterclockwise to decrease it, while monitoring the RPM with a tachometer. Make small adjustments and ensure the engine is running smoothly before finalizing the setting.
you can adjust it via the idle control valve.
It could be the Idle Air Control (Idle speed control) valve. Its located on the left side of your TBI and has an electrical connection.
The computer does it for you through the IAC valve Idle air control its under throttle body intake hose.
How do you adjust the idle speed on a citroen berlingo 1.9d (basic diesel engine)
you can`t adjust the idle speed manualy,it has to be done through the ecu via a main dealer diagnostic computer.