2013 F-150 5.0 running rough
2013 F-150 5.0L 2WD Got a CEL and took it to parts store and their OBDII reader said cyl # 7 misfire. Truck seemed to run fine and it went away pretty quickly, so I just disregarded it. About 3...
Forum Discussion
First thing to do is swap cylinder 7 and 4 plugs with 2 other cylinders. If it goes with the plugs then it’s the plugs. If it stays then swap the coils with the same cylinders. If it stays then it’s going to either be a bad injector or a mechanical issue. 1 hours time will get the proper answers. Some techs just don’t know how to diagnose something so simple because they’ve been taught to go with the worst case scenario!
