Vehicle has hard upshift(all gears). Vacuum at upshift delay switchover valve. Vacuum pressure between 8-10psi at idle. Do not have specs for testing valve. No Vacuum out of switchover valve, but not understanding when valve is suppose to open. Can Anyone tell...

FIX posted 9/15/2006

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