98 Ford F150 Runs Rich Black Smoke

This is a 1998 Ford F150 4.2L 6 cylinder MT 5spd RWD with about 98,000 miles on it. This is just one of those crazy problems that threw me for a loop so I figured I would share the problem. Has anybody ever seen this before? Please read and comment below, thanks. Vehicle runs rich, blows black smoke, b1s1 and… Read More