× 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 P0300 #4
Posted to Technical Discussion Forum on 1/27/2015

While you have it torn apart take a good look at the lifters and camshaft lobes. Although not as common as the 6.0L a 5.3L can still flatten a camshaft. Login to read more.