How do I perform additional leak checks on my Genesis II gas grill? Please refer to our comprehensive guide for instructions on how to check for leaks on your Genesis II gas grill. Related articles My propane gas grill isn't getting very hot. How do I fix this? My igniter is not working. How do I fix it? Why am I getting uneven heat on my grill? Why is my tank empty? How to keep food from sticking to cooking grates?