Why does my Honda Accord have a rotten egg smell?

Why does my Honda Accord have a rotten egg smell?

In most cases, a failing catalytic converter will also trigger the Check Engine light. As the converter fails it will no longer be able to burn off the unburned hydrocarbons in the exhaust, or break down the sulfur created by the engine. This is what causes the strong rotten egg smell.

What’s the smell of a bad car battery?

Rotten egg smell One of the first symptoms of a problem with the battery is a rotten egg smell. Conventional acid lead automotive batteries are filled with a mixture of water and sulfuric acid.

Why is my Honda Accord making so much noise?

Broken Tail Pipe: The tail pipe comes out of the muffler and exhausts the gases and fumes into the air. A rusted tailpipe will often develop holes or will completely fall off at some point. This will increase the noise levels of the car. Leak in Exhaust Manifold: The exhaust manifold collects exhaust gases from the engine.

In most cases, a failing catalytic converter will also trigger the Check Engine light. As the converter fails it will no longer be able to burn off the unburned hydrocarbons in the exhaust, or break down the sulfur created by the engine. This is what causes the strong rotten egg smell.

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?

Broken Tail Pipe: The tail pipe comes out of the muffler and exhausts the gases and fumes into the air. A rusted tailpipe will often develop holes or will completely fall off at some point. This will increase the noise levels of the car. Leak in Exhaust Manifold: The exhaust manifold collects exhaust gases from the engine.

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.