Will an Aftermarket Catalytic Converter Affect Fuel Consumption?

[Judy]

An aftermarket catalytic converter can affect fuel consumption, leading to increased fuel usage. Below is a detailed introduction to catalytic converters: 1. Function: The proper operation of a catalytic converter determines the engine's fuel consumption, power, and emission performance. 2. Symptoms of failure: These include increased fuel consumption, sluggish acceleration, unusual noises from the exhaust pipe, and foul-smelling exhaust. 3. Cleaning interval: Typically, the catalytic converter should be cleaned every 30,000 kilometers driven.