First thing to check is the igniter. That's a part that basically just gets really hot and ignites the gas. You should be able to easily see the glow of the igniter, and if you don't that's a big smoking gun.
I don't have specific information about your oven, but I did run across a video showing how to diagnose and replace the igniter on a Frigidaire stove. Take a look and see if that gives you some ideas.
[link|https://www.youtube.com/watch?v=la6zVmDeUp0|Frigidaire Gas Oven Won't Heat - How to Troubleshoot and Fix a Gas Stove in Easy Steps - YouTube|new_window=true]
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=== Update (12/07/23) ===
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Just a note to be aware of, those igniters are darned expensive and one thing I liked about the video I linked to is that he talks about using a generic igniter for about $30 vs. the factory ones for $130. I know which one I'd get...
Hi Kimberly,
First thing to check is the igniter. That's a part that basically just gets really hot and ignites the gas. You should be able to easily see the glow of the igniter, and if you don't that's a big smoking gun.
I don't have specific information about your oven, but I did run across a video showing how to diagnose and replace the igniter on a Frigidaire stove. Take a look and see if that gives you some ideas.
[link|https://www.youtube.com/watch?v=la6zVmDeUp0|Frigidaire Gas Oven Won't Heat - How to Troubleshoot and Fix a Gas Stove in Easy Steps - YouTube|new_window=true]