mis-fire

Hi, how’s everybody doing? I have a 2016 Buick regal 2.0 L, lately I have been having some issues with it. First issue was a misfire. I changed the coil pack and it started running good again. Had to go out a couple more times change two more coil packs and it was running good. Running kind...

I was given a 97 LeSabre with 85k, one owner,little old lady, never drove long trips so car had oil scum build up, drove it for a month to see what needed to be done, did an oil and filter change, 10/30 mobil 1, wix gold o/f, new plugs and wires. drove it to Disneyland and back 35mpg on 5, after...