im pulling my hair on this one. the car runs really rough at idle and i noticed the map sensor is at 2.77v (1.0 to 1.5 normal)i put a vacuum gauge on the manifold and it bounces rapidly from 9 to 12 hg. when you bring the rpms up it smooths out. im getting...

FIX posted 2/20/1999

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle