Ok, thought I’d save some money and change the plugs on my 06 GT. I broke 3 and took it to the garage to fix. When I picked it up, there was a clicking noise in the engine. That stopped after driving it for 5 miles or so. The garage said there was still a misfire in #3. I replaced the coil packs with the exception of #7 because the garage stripped the bolt for the coil. Now I’ve developed a misfire in #7. Last night, I noticed a lot of hesitation and chugging when accelerating and the check engine light is on. I don’t know what to do next. I know I need to get the coil off #7 but the stripped bolt is really being a problem. Suggestions?..

 

Just got back from Autozone. Now there is a misfire in 5,7,8 and a random......