 He also needs to be checking the fuel injector on that cylinder to make sure that it's getting a good pattern, that it's getting a steady fuel flow. Because there's other contributing factors that could be causing that. And then when it gets down to it, a worst-case scenario – not a worst-case scenario. A worst-case scenario is inside the engine. Right. That's a worst-case scenario. But the external factors that could still be at play could be an injector, an injector-connector,