Jul 19, 2014 · If you suspect you’ve got a clogged catalytic converter, I’ll show you how to test it and what to do if the test shows it’s clogged.

Oct 15, 2024 · Point an infrared temperature meter at the inlet pipe as it enters the catalytic converter. If the cat is made directly into the exhaust manifold, measure the top of the canister or the upper …

Jul 6, 2025 · The catalytic converter is an important part of your vehicle, but there are easy signs to tell if it's the part giving you trouble. Keep reading so you can recognize all of the tell-tale symptoms that …

How to check for a bad catalytic converter before replacing it. In this video I list all the possible causes and ways to test the catalytic converter.

Dec 4, 2025 · Identify distinct failure symptoms, understand the root causes of catalytic converter damage, and learn the essential repair steps.

Sep 24, 2024 · By performing a temperature test, using an OBD-II scanner, and conducting a backpressure test, you can accurately diagnose whether your catalytic converter is clogged and take …

Mar 26, 2025 · Luckily, with the help of a car scanner, you can get a pretty good idea of whether your catalytic converter is acting up without even needing to visit a mechanic right away. So, grab your …

Aug 26, 2025 · Using a vacuum gauge and testing for back pressure are common ways of checking whether or not the catalytic converter is clogged. There’s no way of fixing a clogged or damaged …

2 days ago · These are good indicators that your catalytic converter is working normally. NOTE: O2 sensor voltage should show between 0.5 and 0.7 on the graph. If the sensor voltage is too low or is …

It is possible to test for a cracked substrate or damaged matting by tapping on the converter housing. Using a rubber mallet, "thump" the shell, listening for loose components. A bronze/blue rainbow …