2012 Jeep JK running lean bank 2

YuhTyla21

New Member
Joined
Sep 22, 2024
Messages
1
Location
Utah
Hey all,

I’m not usually one to post but I’m completely stumped.

I’ve got a 2012 jeep wrangler sport with about 130k miles on it. A few months ago it started randomly misfiring, and the dealer replaced the bank 2 cylinder head, valves, and gasket. Had 80% leakdown

Things were good for about 2 months and I’ve got random misfires again. I’m getting p304, 302, and 306 randomly. As well as p0298 and p219b.

I’ve replaced all 3 plugs, coils, and injectors on bank 2, and both o2 sensors. It seems to stutter in park still about 50% of the time, and after replacing all of that I still have a p0302, p2098, and p219b code intermittently.

I would take it back to the dealer but it seems every time they just clear the code and say it’s fine while charging an arm.

Anyone dealt with this and willing to pass on any knowledge would be great! Thanks!