lose power going down road sit for 10mins and then it will start back up on 2001 Jeep Wrangler

It happened one time then within the last 2 days it happened both days. If I sit for 10-15mins it will start back up and get to where I need to go. I had the codes read and they came up as cylinder 1 miss firing and then something to do with an emission vapor something something??? if you have any suggestions I would so appreciate it. Thank you

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1 answer
Those code numbers would help!!