KitchenAid Range

I have an ongoing problem with the oven part of my range. When I turn it on, it goes on. But when it has to relight to maintain temperature (especially below 300 degrees), it will light sometimes and sometimes it just cycles through the igniter clicking without lighting. It's very hard to walk away from dinner when it's in there as I can come back and oven temp has dropped down below 100 degrees. Sometimes shutting off and resetting temp and hitting on will relight, sometimes not.
Any thought out there.
Thanks in advance,
John

via KitchenAid Range
by JohnJoeJ