Slimjim2525 i was just going to park as I pulled into work and it started shaking in steering wheel and just missing out like it wasn't getting spark idling at 500 rpm like it was about to do finally check engine light started flashing and stabilitrak/service traction control was coming up on dash once I checked fuel injectors, new spark plugs put in, took a new coil pack around to all cylinders all of it never did a thing did compression test and it was very low cylinder 7 which is an AFM lifter and did leak down and then tore head off checked lifters sure enough 7 on intake side was collapsed