Find the best used 2012 Chevrolet Tahoe near you. Every used car for sale comes with a free CARFAX Report. We have 564 2012 Chevrolet Tahoe vehicles for sale that are reported accident free, 211 1-Owner cars, and 537 personal use cars.
P0420 Technical Definition: Catalyst system efficiency below threshold (Bank 1). Most common cause: Faulty Catalytic Converter Risks for the engine/driver: MEDIUM.It’s safe to drive the car but you should get it checked out as soon as possible