How to *Know* if Your Gas Oven Ignitor is Bad (without guessing)

Your gas oven won’t heat up and, since you’re a contemplative person who knows what you don’t know, you’d like to learn how to prove which part is bad. Come with me now and read the inspiring story of how a diligent grasshopper proved that the ignitor in his oven was bad and once again filled his kitchen with the smell of freshly-baked spam casserole.