Nissan Repair: 85 nissan sentra, vacuum leaks, nissan sentra

Question
We replaced the spark plugs and wires, now it's idling at 3000 rpm...how do we adjust this down?  thanks!

Answer
Jeff,

Check the idle on the throttle stop and make sure it is not jammed.  If it is ok check for vacuum leaks as that is probably the problem.  The screw could not have been adjusted this much by accident so there should be a vacuum hose broken or pulled loose.