Is it normal for car exhaust to smell like rotten eggs?
Some smell of this type is normal, especially when first warming up. The by product of the cat converter is hydrogen sulfide, which of course smells like rotten eggs. If you think it’s excessive, have it checked. …it does smell only in the morning when the engine is cold. Will this hurt the engine?
What are the symptoms of engine running rich?
7 Symptoms of an Engine Running Rich 1 Check engine light. When the fuel to air ratio is high, you will have the check engine light coming on. 2 Fuel smell from exhaust. 3 Constantly refilling your gas tank. 4 Poor engine performance. 5 Black smoke from exhaust. 6 High carbon monoxide content. 7 Sooty spark plugs. …
Why does my gas smell like rotten eggs?
Some fuels contain a higher amount of sulfer which can cause a smell like eggs. Try buying gas at a different gas station located in a different area, preferably a name-brand place like Phillips, Exxon, Texaco, Shell, etc. Get the premium stuff just for good measure. See if that helps. Hopefully that’s your only problem.
Why does my cat smell like rotten eggs?
Some smell of this type is normal, especially when first warming up. The by product of the cat converter is hydrogen sulfide, which of course smells like rotten eggs. If you think it’s excessive, have it checked.
Why does my exhaust smell like rotten eggs?
Two other causes of rotten eggs besides a broken catalytic converter include an engine that is running too hot or a broken fuel pressure regulator. You can easily deal with the fuel pressure regulator by replacing the fuel filter. If you notice a very strong exhaust smell in the car then you probably have a leak in the exhaust system.
What to do if your car smells like rotten eggs?
That can help “clean out” the catalytic converter, which might just cure the problem…you might have purchased a bad batch of gasoline with a lot of sulfur in it, which in turn contaminated the cat. A long drive will burn off most of the sulfur. 2. Depending on the cost, you can try buying an emissions system test.
Why does my car exhaust smell like gas?
Sometimes you may find that the exhaust smells like gas. This is normally a problem with the air and fuel mixture as your fuel injector may be sending too much gas through the engine and not all is burning.
What causes rotten eggs in a catalytic converter?
Unfortunately you cannot repair a converter but need to have it completely replaced. Two other causes of rotten eggs besides a broken catalytic converter include an engine that is running too hot or a broken fuel pressure regulator. You can easily deal with the fuel pressure regulator by replacing the fuel filter.