with the 4.0-liter six-cylinder and about 120,000 miles. I keep getting a catalytic converter code P0420. I heard there may be a way to fix it by spacing the O2 sensor away from the cat and changing ...

As an automotive professional, there is nothing that gets me more riled up than a "quick fix" or "mechanic in a bottle." I have found with my years in this industry; there are seldom repairs that can ...