Take all the sparkplugs out, then crank till it spits all the oil out of the cylinders then put the sparkplugs back in and get it running long enough to clear all the oil smoke. Don't forget to check oil level. After all that the Jeep should be no worse for wear. The oil in the cylinders is hydrolocking the engine.
I 100% agree with aw12345. Same thing happened when I rolled. Easy fix though. The only problem I had was it ran like crap the rest of the day because it also cracked a couple plugs.
Also when your done pumping oil out the check engin light will come on and it will have a bunch of misfire codes. Just disconnect the battery for about 10 min and they will go away.
And I don't know if this had anything to do with the roll but my throttel position sensor also took a crap on me about the same time. It ran but would have a weird miss in it, it was a $25 part and easy to fix.
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