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 ...

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 ...

with the 4.0-liter six-cylinder and about 120,000 miles. I keep getting a catalytic converter code P0420. I heard there may be a way to fix it by spacing the O2 sensor away from the cat and changing ...

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 ...