This question is not answerable without make model year and control system for the engine.
How do you adjust the idle speed on a citroen berlingo 1.9d (basic diesel engine)
To adjust the idle on a diesel engine semi, locate the idle adjustment screw on the fuel injection pump, which is typically near the throttle linkage. Start the engine and allow it to reach operating temperature. Gradually turn the idle adjustment screw clockwise to increase the idle speed or counterclockwise to decrease it, checking the RPM with a tachometer until the desired idle speed is achieved. Always refer to the manufacturer's specifications for the correct idle RPM range.
To adjust the engine idle speed on a Vauxhall Astra diesel, first, ensure the engine is at normal operating temperature. Locate the idle speed adjustment screw, usually found on the throttle body or near the injection pump, depending on the engine model. Carefully turn the screw clockwise to increase the idle speed or counterclockwise to decrease it, checking the RPM with a tachometer as you make adjustments. After adjustments, always ensure the idle speed is within the manufacturer's specified range for optimal performance.
If your engine has a carburettor turn the idle adjust screw so the idle is at the proper speed. If your engine has fuel injection the ECM controls the idle.
There is no idle sensor. Idle speed is computer controlled and is not adjustable.
To find the idle adjust on a caterpillar 3406 engine refer to the owners manual. If this doesn't help, contact the manufacturer.
The idle on a 2001 24 valve is computer controlled and is not adjustable.
You adjust the run and idle speed with the governor wire...loosen the nut and adjust it.
The diesel engine can operate at 12:1 to 24:1 at idle.
There is no adjuster. The Electronic Control Unit (ECU) sets the idle speed and you can't change it.
does the engine have a carburetor or is it fuel injected? A carbed engine has mixture screws along with a base idle screw, a fuel injected engine the idle is computer controlled.
You have two adjusting screws at the top of the dieselpump. And the outer screw is for idle if i dont remember wrong. but that you will notice when you adjust the screw.