Requires a digital volt meter, and a tach. To make it right, necessary steps need to be taken. If you are not mechanically savvy, bring it to a pro
You cannot adjust the idle in a 1998 Cadillac Catera. It is computer controlled. If the idle is not at 750 rpms then there is another problem with the engine. Check for codes with an OBD2 tester.
controlled by computer --not adjustable
Turn the Idle Adjusting screw.
on top of the upper intake there is a screw. it can be used to adjust idle speed.
Computer controlled? Not adjustable
There should be an idle screw right by or under your throttle
All Ford vehicles cannot adjust idle nor timing wich is pre-set at the factory and the computer sets the idle and timing, vehicles after 1990 no longer can be adjusted.
It is not adjustable, and is sealed from the factory and is not to be fulled with. You have another problem that is making you think idle needs adjusted.
using a tach , idle adjustment on R/S of carb ( drivers side when standing in front of car ) adjust idle in PARK , A/C off
May be computer controlled and not adjustable
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.
You adjust idle with idle timing