https://drive.google.com/file/d/1OIJLodv7sc5sLSKQMviw6GU0Y-mQEESm/view?usp=drivesdkJeep wrangler sport 06 automatic 4L straight 6. This happens on start up sporadically- usually hot starts- but it goes away or as soon as I drive it it goes away. First thought was rod knock but its not...