MJG Mobile Auto Repair

Customer called stating that his uncle did a tune up and after the tune up it was having random misfires... Followed protocol look for the weakest cylinder which was 1... Swapped it to another cylinder to see any changes... Still the same next go to fuel injectors notice that fuel injector 1 was on but wasn't clipped... All it was fuel injector 1 wasn't secured properly

Diagnostics