× 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: P0300 multiple misfire
Posted to Technical Discussion Forum on 5/11/2013

As said more info needed. But if all else fails check for a broken or weak valve spring. I had one broken but would not show up on compression test. Login to read more.