Hello, I have this GMC Suburban 2500 here with a tricky miss, what it does is while driving it occasionally gives a puff of black smoke and loses power, but not really bad just enough to cause alarm to the driver. he thinks it might be a sign of something fail...

Summary posted 4/7/2005

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