No oven heat. everything else worked fine

Identifing what part to replace was the most challenging task. So, what I did to trouble shoot what was broken and identify the specific compent was the following. I was not sure that the igniter was broken becuase it illuminated rather bright but the oven would not turn on. The broiler on the other hand worked fine so I removed the igniter from the broiler and placed it in place (the igneiter is a different size) of the oven igniter and guess what the burner cut on...So I ordered the oven igniter and everything worked fine.