× 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: Recurring P0299
Posted to Technical Discussion Forum on 3/1/2018

5-6lbs of backpressure is excessive. I was taught that 2 psi under load was the maximum for any vehicle. I suspect that is your whole issue. Login to read more.