How to check for air in fuel lines on a Ford 6.9?
How to check for air in fuel lines on a Ford 6.9? Each fuel injector has a return line cap that is attached with 2 o-rings, and over time these can either leak fuel or suck air....both will cause your truck to run very rough. This same method can be used on 6.9 & 7.3 IDI trucks/vans. The parts you will need are only 2 different sizes of standard clear vinyl tubing from your nearest hardware store. How to drain a fuel bowl in a Ford 96-97? The 94.5-05 has a plastic canister for the filter where the 96-97 has...