× 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: GM 5.3 Misfire
Posted to Technical Discussion Forum on 1/21/2020

Watching valve movement with valve covers off, would only reveal a big issue, and you'd have noise of some kind. The fact that you're changing the adjustment, means that the issue is probably too small of an issue to see with the naked eye...as Robert said, it... Login to read more.