Insurance paid for it so I wanted to put a better cat on. I know oil burning can foul cats and my prius, like many, burns a little. I’ve calculated...
Vehicle: 2010 Prius Model: IV I don't think that's the case. But certainly there are cheap ones that aren't. The test the car does isn't looking for a Toyota hologram or anything. It just runs the engine lean for so many seconds to bank up some oxygen in the cat, and then ...