× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 1990 Dodge Van 5.9L Backfiring & Black Smoke
Posted to Technical Tips Forum on 3/8/2000

[...trimmed text...]

Take a very close look at the camshaft for a bad lobe.

Login to read more.