whats the diffantion for TWC System Low Efficiency Bank 1

Question

what is the definition for TWC system low Efficiency
bank 1? code-p0420

Answer 1

P0420 Catalyst below efficiency threshold

The catalytic that is in the Pontiac is a three way catalytic , all the catalytic convertor are a emission control device to reduce hydrocarbons , carbon monoxides, and Oxides of nitrate, which are produced by fuel burning engine.

 The catalytic are emission device to control vehicle emission  pollutants

 

 Inside the catalytic convertor is a ceramic bed, under good maintance the cataltyic can last many year to control harmfum emission, Here is a cataltyic convertor ceramic bed dissolved due to a misfire conditon that was never addressed,  Having this condition of the catalytic produced P0420 or P0430