Oven doesn't get gas supply

19 year old oven.

The self-cleaning has not worked as long as I can remember. Since this summer the oven has failed to ignite a few times. Tapping the burner area did the trick. It is now out completely.

-No smell of gas

-The regulator seems fine since the stove works.

-The voltage switches at the glow bars (and along the wiring junctions when the switches are activated.

-Glow bars light up bright.

-110V AC at all 4 connections of gas valve.

-I can’t maeasure amperage at glow bars which the gas valve switch must operate on

-When I tried to switch glow bars (no bake or broil function), the broil glow bar seemed original, part of the ceramic burnt, and chipping in front, and the tip shattered when tapped lightly on the floor (not dropped or banged)

-Lower (bake) glow bar seems to have been replaced and is marked "Norton".

-Also the burner is in fantastic shape. It didn’t even need any cleaning.

-All electrical connections and contacts are good.
What do you think? I’m thinking the igniter but have a hard time believing they both went at the same time. Although the broiler is used only a couple of times per year, it was last used a month or two ago.

Could the glow bars light real bright and still not pull the amperage to operate the gas valve? Or is this a gas valve problem?

Overall this unit seems in good shape. I’d like to get the oven operational for just the bake burner and slowly pick out a new oven.