The smell of rotten eggs is one of the most common smells that a vehicle will make. A sulfur or rotten egg smell indicates the formation of hydrogen sulfide (h 2 s), a likely sign of catalytic converter contamination. A properly working catalytic converter will convert hydrogen sulfide into odorless sulfur dioxide.
Catalytic Converter Smells Like Rotten Eggs – COIA
Contents
Catalytic Converter Rattle. A catalytic converter rattle that sounds like it’s coming from under your car means that you’re dealing with a bad catalytic converter. It’s one of the telltale signs. The rattle will be more intense when the catalytic converter is cold, but as the temperature rises, it may become more difficult to hear.
People Also Ask why does my catalytic converter smell when under load
What does a bad catalytic converter smell like?
The most common symptom of a bad catalytic converter is a sulfur smell when the engine is warm together with a check engine light on your dashboard. You may also notice engine performance issues like acceleration lag, higher or lower fuel consumption, and a misfiring engine. While these are far from all possible signs, it’s the most common ones.
What are signs of a bad catalytic converter?
What Are the Common Symptoms of Bad Catalytic Converter?Engine Misfire. Engine misfires are among the first symptom is a bad catalytic converter. …Rotten Egg Odor from the Exhaust. A weird odor coming from the vehicle is among the major car symptoms of bad catalytic converters. …Check Engine Light Is On. …Problems Starting the Vehicle. …Reduced Fuel Efficiency. …Poor Acceleration. …Degraded Performance. …
More items…
How to test a bad catalytic converter?
Temperature testEngine performance test with the exhaust partially disconnected.Engine vacuum rebound test
What causes the catalytic converter to go bad?
What causes a catalytic converter to go badUnburned Fuel. Unburned fuel can be the main reason due to which your catalytic convertor is getting damaged. …Oil consumption. …Coolant leaks. …Ignoring Check Engine Light. …Neglecting Engine Tune-Ups. …Damaged Road. …Extra use of Injector cleaner. …Oxygen Sensor Issue. …Short Trips. …
People Also Searches why does my catalytic converter smell when under load
| catalytic converter odor problems |
| catalytic converter rotten egg smell |
| new catalytic converter smell |
| catalytic converter odor |
| catalytic converter sulphur smell |
| can catalytic converters smell |
| signs of a clogged catalytic converter |
| why do catalytic converters smell |
| catalytic converter odor problems |
| catalytic converter rotten egg smell |
| new catalytic converter smell |
| catalytic converter odor |
| catalytic converter sulphur smell |
| can catalytic converters smell |
| signs of a clogged catalytic converter |
| why do catalytic converters smell |