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Message: <blockquote data-quote="card66" data-source="post: 20704" data-attributes="member: 7489">Sunday night I was driving my 2017 when it started shaking and a message popped up to check stabilitrak system. I was also getting a check engine light. I got home and put the code scanner on it and got the P0301 code. Which is misfire in cylinder 1. I put new plugs and a new ignition coil on. Started it up and it's still running like crap. The old spark plugs looked okay except for number one. It was black and looked burnt almost. I tried putting seafoam in the gas tank and it's running a LITTLE better, but still pretty bad. What else could be the problem? I do have a bad tpms sensor, but I wouldn't think that would cause a misfire. Thanks for any help.</blockquote>