Need Appliance Repair Help? Ask a Technician for Answers ASAP
It sounds like your oven igniter is getting weak and will need to be replaced. The oven igniter must draw 3.2 amps for the oven gas valve to open and if it starts drawing below that, the oven will take longer and longer to light and more gas will expel causing a strong gas smell. just replace the igniter below the floor mounted to the back of the bake burner and you should be good to go again.
We are on the honor system here. Please remember to rate my service by selecting a star at the top of the screen before you leave today. If you need anything else, just let me know. You can continue asking follow-up questions at no additional charge after rating my service if you still need assistance.