× 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: 2003 Ford F-250 5.4 fuel pressure
Posted to Technical Discussion Forum on 4/25/2016

[...trimmed text...]

If they were both equally out of time fuel trims should not be affected, still should be equal amount of air going through the MAF and into the cylinders.

The reason FT's are opposing when one cam ... Login to read more.