What are some INFINITI QX56 catalytic converter problems?

A failing catalytic converter on an INFINITI QX56 can cause a vehicle to fail emissions tests and turn on the check engine light. The exhaust might have an unusual smell. A restricted catalytic converter can result in a loss of engine power. A catalytic converter is an exhaust emission control device that reduces toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction (an oxidation and a reduction reaction).Another common result of a failure within the catalytic converter in Your vehicle is a decrease in gas mileage, fuel economy, and the fuel capabilities. This is because Your catalytic converter could become clogged over time, filled with debris and rust, and exhaust will become trapped in Your car's engine.