Chevy HHR Network - Never seen this before need help figuring out where to look

Chevy HHR Network (https://www.chevyhhr.net/forums/)

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- - Never seen this before need help figuring out where to look (https://www.chevyhhr.net/forums/maintenance-upkeep-50/never-seen-before-need-help-figuring-out-where-look-67438/)

Guess I missed it but why did you pull the head ?

Soryy i have bee. A little busy. The timing chains needed replaced i noticed oil had gotten milky so figured good time to change head gasket since I was there. Turn out the oil fill tube was letting water in so I changed gasket for nothing other than it let me see the problem with the plug so over all not that big of a deal. Update i put some marvel mystery oil on both 1 and 2 cylinder. Let it sit for a day then threw the rest of the can in the crankcase. Also put a can of seafoam in the gas tank. So far I've driven 300 miles and no codes have shown. My scanner is still picking up the #2 misfires but the amounts have drastically dropped. I'm going to keep driving it for a little while and see what happens. Thanks for all the help

2 misfires produce a code.

Still no codes. Cheap scan tool from amazon so not much faith in it

Does your engine have coil on plug or one coil pack? If it has one coil pack it operates on "lost spark" like a Harley-Davidson; there are 2 misfires every revolution. Otherwise, some misfires are normal.