That expensive jet flame lighter in your pocket is starting to sputter. Instead of tossing it out or blaming the fuel, you probably just need to give it a quick reset. Jet lighters are high-performance tools. They demand a little upkeep to keep that wind-resistant torch roaring. Here is how to purge and maintain a jet flame lighter so it performs like new every single time you click it. First, forget about refilling right away. You need to empty the tank completely. Trapped air ruins the pressure balance inside, which leads to weak flames and frustrating ignition failures. Take a small screwdriver or a pen tip and gently press down on the refill valve. Hold it there until you stop hearing the hiss of escaping gas. Keep your face away while you do this. Once the tank is completely empty, grab your can of high-purity butane. Cheap fuel clogs the tiny jets with impurities and ruins a good accessory fast. Turn your lighter's flame adjustment wheel all the way down to the lowest setting. Invert both the lighter and the fuel canister. Push the nozzle firmly into the refill valve for about five seconds. Give the metal body a minute or two to warm back up to room temperature. Cold metal plays tricks on internal pressure. Now, crank the adjustment wheel up to a medium setting and strike it. You should see a crisp, steady blue torch. Routine care prevents most common ignition headaches. Keep the ignition area free from pocket lint and tobacco dust using a soft brush or compressed air. If you invest in a quality piece—like a sleek S.T. Dupont or a rugged Xikar—treating it right means it will light thousands of cigars without tasting like chemical residue or failing when you need it most. Take care of your gear. It rewards you with a flawless light every time.