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)
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.
You adjust the run and idle speed with the governor wire...loosen the nut and adjust it.
The idle on a 2001 24 valve is computer controlled and is not adjustable.
There is no adjuster. The Electronic Control Unit (ECU) sets the idle speed and you can't change it.
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.
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.
The diesel engine can operate at 12:1 to 24:1 at idle.
With the engine running, turn the idle screw until you get the speed you want.
My engine is idling too high. How do I adjust the idle speed?