i've looked every where & can't find an ajutment screw
Buick Q&AAsk Your Question
1995 Buick LeSabre Question: how do you lower the idle on my 95 buick v6 it idles at about 35 mph.
Answer #1Greg's Orange Auto (14915 Answers) , Orange, CA - (714) 361-9386globalhelper February 08, 2012, 23:41Master
well you have and idle air control solenoid or poss vac leak.the idle screw is under a small silver cap but i don't think it will help if the cover is there,look for a vac leak 1st
Answer #2dale45 from Fairway Auto Repair, February 09, 2012, 09:36Journeyman
The base idle is a factory adjustment. It can be changed by the above screw. If the screw needs to be adjusted to correct an incorrect idle speed there is something wrong. The idle speed is computer controlled, with a electrical air bypass (IAC).