I want to complain. This upgrade did not in fact make my penis larger
Whoops wrong forum
I like all of my medals somehow I am a motorhead platinum member and also a greenie noob
scrape it as clean as possible. use a machinists straight edge to check for flatness in as many orientations as possible. if its not fucked just use a thicker than stock head gasket for extra squish
Could be the wiring harness. @Awafrican had a lin get bent and not insert all the way that gave him hell for a while so look at the harness and plugs while you are there
If it won't throw a code you might need to buy one new coil pack. I know that my car basically won't throw a misfire code ever so its tough to troubleshoot