Posted on 7/8/2026
The tsunami of catalytic converter theft has subsided, so the pace of catalytic converter replacements has returned to normal. However, from time to time a catalytic converter can fail, and replacement will become a necessity. A failing catalytic converter can negatively impact your car's performance, decrease gas mileage, cause the check engine light to be illuminated, produce rotten egg smell, rattling noises, and of course, negatively impact the environment. But all of these are only a preview of the coming “attractions”. If you do not get the “cat” replaced in a timely manner, your vehicle may experience stalling or no-start condition, expensive engine damage, and in extreme cases, the overheated catalytic converter may spark a vehicle fire. At South Denver Automotive we have extensive experience diagnosing and fixing catalytic converter issues. When you bring your vehicle to our Denver auto repair shop, our nationally ASE-certified technicians will dia ... read more
Posted on 5/5/2024
At South Denver Automotive we offer comprehensive auto care, including check engine light diagnostics and repairs. Check engine light (CEL) is a warning light that can come "on" for a variety of reasons; actually, hundreds of conditions can cause the onboard computer to turn on the CEL. CarMD.com, a company that provides car owners with information about check engine light repairs, has been providing yearly studies of the top reasons for the check engine light warning. After analyzing over 15 million reports submitted in 2023, here is what they found: 1) Catalytic converter replacement– unfortunately catalytic converter thefts continue across the country, hence catalytic converter replacement is the first item on the list. 2) ... read more