This is my brother in law's truck and I'm working on this at home. Every time the engine is started it idles to [...] rpms for about 20 seconds and then idles down to normal, hot or cold. Just started doing this recently. Gave it a complete tune up, new iac va...

FIX posted 7/6/1998

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