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No. Spark plugs are good. It almost seems like it’s getting to much fuel. So when it idles or misfired but when it’s running it runs fine.

Just replaced head gaskets in my 2012 Jeep. Drove it almost 700 miles and she did great. Only problem is if she sits and idles she starts misfiring. After I start driving again or rev it up it’s fine again. Spark plugs were inspected before putting them back in. Where do I start.