HUDScreen category: OBD2 & Diagnostics
The P0420 code (sometimes written as engine code P0420) is one of the five most common OBD-II fault codes on the road today — and one of the most misunderstood. Here is everything the P0420 OBD-II code means, how serious it is, and how to fix it, before spending a single dollar. What P0420 means […]
The OBD2 port (On-Board Diagnostics II) is a 16-pin socket fitted under the dashboard of virtually every car sold in the United States since 1996. It gives you direct, real-time access to your engine’s computer. Why every US car has one Congress mandated OBD2 from the 1996 model year to let mechanics and regulators read […]