Service Videos

Catalytic Converter Service Video

A catalytic converter helps clean exhaust before it leaves your vehicle. This video explains how the converter uses a coated honeycomb catalyst to reduce harmful gases and keep the engine breathing correctly.


Hot exhaust passes through the converter, where chemical reactions change carbon monoxide and nitrogen oxides into less harmful gases. When the converter clogs, exhaust flow is restricted and the engine cannot release gases as easily.


What are common signs of catalytic converter trouble? A clogged catalytic converter can cause sluggish acceleration, reduced fuel economy, a rotten-egg smell, excess exhaust backpressure, and a check engine light.


A technician may scan fault codes, inspect oxygen sensor data, check exhaust temperature, and test for backpressure before recommending replacement. This matters because misfires, oil burning, or a rich fuel mixture can damage a new converter if the root cause is not fixed.


Alvin’s hot, muggy summers and heavy rainstorms can add stress to exhaust parts. Moisture can speed corrosion around exhaust joints, while high heat and stop-and-go driving can keep underbody components hot for longer.


Daily commuters and families using Highway 35, State Highway 6, or FM 517 need steady power for high-mileage trips across Brazoria County. Genesis Auto Repair can inspect performance loss, warning lights, and emissions-related faults before the problem gets worse.


Drivers from Pearland, Manvel, and Friendswood can review our engine diagnostics and repair when catalytic converter symptoms appear. For local help from an Alvin auto shop, call (281) 968-7411 today and schedule a prompt inspection.