Answer:That's a new one for me, and I cannot see it having any effect on preventing a P0420 DTC, but it is illegal. P0420 indicates the catalytic converter has lost its efficiency in reducing harmful ...

Answer:You have two catalytic converters on the Nissan Pathfinder 3.5-liter, one for each three-cylinder bank of the engine. Typically engine bank 1 is the side including cylinder #1. In your case, it ...