 Yeah. So the fact that it's starting to misfire tells us that you're also going to be beating up the catalytic converter. And then again, at 200,000 plus miles, okay, where are we at with the cat? So the real question here is, because understand, that oil is going somewhere. It's passing through the combustion process somehow, and it's burning. And at some point, it's hitting the catalytic converter, it's hitting the oxygen sensors. At some point...