What is Error Code P0420?

What is Error Code P0420? P0420 is an Error Code given by your Car Computer and your Computer is telling you there is a Problem. Watch this Video and learn what Error Code P0420 is telling you. You may need a New Car Computer and that's what we do! Car Computer Exchange Specializes in Car Computers. Most Major Car Manufacturers NO longer make the Car Computers for many of their Models' of Cars. Car Computers date back to the early 90's and every Car today has a Computer that runs the Vehicle. Car Computer Exchange is a company of experienced automotive technicians, located in Raleigh, North Carolina. We carry most Dodge, Jeep, Ford, Mercedes, Toyota, Lincoln, Mercury, Honda, Plymouth, Lexus and Chrysler computers – we also have a Complete Option of Most Major Diesel Truck Computers as well and we ship most orders with 3 - 5 business days. Our goal is to help you save money – and get you back on the road as quickly as possible! That’s why we test, program and flash the latest...