P0430 – Meaning, Causes, Symptoms, & Fixes

Code P0430 Definition Catalyst system efficiency below threshold (Bank 2). What Does P0430 Mean? The function of the catalytic converter is to break down harmful pollutants that are created by your vehicle during the combustion cycle and convert them into less harmful gases. Code P0430 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by the vehicle. What Are the Symptoms of Code P0430? Check Engine Light is on Lack of power from the engine Decreased fuel economy Rotten egg or a sulfur smell What Is the Cause of Code P0430? Faulty oxygen … Continue reading P0430 – Meaning, Causes, Symptoms, & Fixes