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 igniter is not working. How do I fix it? My propane gas grill isn't getting very hot. How do I fix this? Why am I getting uneven heat on my grill? Should I cover my grill? Why is my thermometer fogged up?