I’m having problems with my 4.6 L explorer sport trac. Got a code for a number 8 cylinder misfire. I swapped the fuel injector with the cylinder next to it and disconnected the battery to reset the system.
The check engine light went away, but now I’m getting a lot of hesitation and vibration. I thought I might of unseated one of the othe injectors, so I disconnected the fuel rail again to reseat them all, but the problem is starting to come back.
I still don’t have a check engine light coming on, and I’m at a loss for what to do next. Any ideas?