Posts Tagged: clogged catalytic converter
Catalytic Converter Cleaner: Does It Work
Catalytic Converter Cleaner Explained: What’s in It and Does It Work? Quick summary You have a P0420 code and want to know whether catalytic converter cleaner works. Well, yes, sometimes it does. Most of the time it doesn’t. These expensive cleaners may help reduce carbonaceous deposits on the converter’s substrate and slightly improve combustion upstream of the converter. However, they cannot repair a melted, cracked, or mechanically damaged catalyst, replace depleted catalyst material, or reliably reverse serious contamination by noncombustible substances. The chemistry varies considerably between products: formulations may use … Read More
Most Common Causes of Catalytic Converter Failure
Top Reasons Catalytic Converters Go Bad Quick Summary The most common causes of catalytic converter failure are • Engine misfires — Misfires cause incomplete combustion that dumps unburned fuel into the exhaust, causing the catalytic converter to foul, overheat, and melt. • Rich fuel mixtures — Leaking fuel injectors or rich fuel mixtures cause extra fuel to enter the exhaust and damage the catalytic converter. • Oil or coolant contamination — Oil burning, internal oil, or coolant leaks can coat the precious metals inside the catalytic converter, rendering them inoperative. … Read More