My oven has always been slow to start up, but now, it delays for minutes, then when it starts is booms so loudly the house shakes. (not using the oven anymore until repaired obviously!) it is a Maytag model MGR5875QDW I would love to be able to repair this myself, my husband would be so impressed, (so would I!) Do I need a new igniter?
I would check out where the gas leak is coming from before do anything else. You have a build up of gas in the oven cavity, which is be ignited by the the ignitor causing a mini explosion! You may have crack or broken gas line, loose gas line connection or a faulty safety valve.