× 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: 88 GMC K35/5.7 Ruff run or miss at start up for less than 1 min.
Posted to Technical Discussion Forum on 3/1/2000

[...trimmed text...]

How many miles on this? Try starting it for just 30 seconds or so and pull the rear most plugs and look for oil on them (valve stem seals?). Or park it overnight where your igniton scope is and cold s... Login to read more.