The P0420 (whose official onboard diagnostic definition is ‘Catalyst System Efficiency Below Threshold’) code is a sign that a vehicle’s catalytic converter is subject to one or more problems. Such ...

P0420 is a well-recognized error code within the automotive industry, notorious for its persistence. Luckily, this article is designed to guide you through ...

O2センサーとは、排気ガス中の酸素の有無を検出する空燃比センサーのことです。 エンジンを制御しているコンピューターは、エンジンの燃焼している状態を、燃焼した後に残っている酸素の量で判断しています。 酸素が検出されるということは燃料噴射量 ...

When gas powered cars get older the catalytic converter, or converters if you have a V style engine, can lose their efficiency and set off a CEL, or check engine light. P0420 is a code for a failing ...

Maintenance is an essential part of owning a car. Whether it’s simple tasks like an oil change or bleeding your brakes, plenty of jobs are DIY-friendly and can save you the costs of taking your ...

As an automotive professional, there is nothing that gets me more riled up than a "quick fix" or "mechanic in a bottle." I have found with my years in this industry; there are seldom repairs that can ...