When your car exhaust starts producing some funny smells, you know that something is not right. While it might seem trivial, a damaged exhaust can cause serious issues, affecting your engine’s power and your car’s overall performance. The problem with exhaust smells is that there is no one definitive cause of a smelly exhaust. It might manifest itself as a nasty rotten egg smell, or other times, a sweet smell, all of which can indicate a different problem. To help you better understand your particular situation, check out these typical exhaust smells and what they can indicate.
1. A Sweet Smell
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While sweet-smelling fumes from your exhaust might seem pleasant, they usually indicate an underlying issue. In most cases, it is due to a broken or damaged head gasket, which, in turn, leads to hot coolant leaking into your exhaust. On contacting your engine, coolant emits billowing clouds of white smoke that come out of the tailpipe. If left unattended, a coolant leak might cause your engine to overheat.
2. Smell of Rotten Eggs or Sulfur
Another smell you might experience is the smell of rotten eggs or sulfur. This probably means that your catalytic converter has been damaged. As your engine burns fuel, harmful gases such as hydrogen sulfide are produced. These gases are passed through a catalytic converter, which transforms them into less dangerous forms. Therefore, if your catalytic converter is malfunctioning, this conversion may not occur, resulting in the sulfur odor. A damaged catalytic converter will not only make your car smell bad, but it will also limit performance, raise pollutants, and cause it to fail emissions testing.
3. The Smell of Gasoline
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If your car’s exhaust smells like gasoline, it’s likely due to an excessively rich air/fuel ratio. This can mean one of two things. Either too much fuel is entering the combustion, or not enough air is getting in. This can be caused by various issues, including damaged and leaking fuel injectors, a blocked air filter, or a defective mass airflow sensor. Other than the smell, you might also observe black smoke coming from the tailpipe.
4. Your Car’s Regular Exhaust Smell
It is important to note that your exhaust also emits its own smell. Normally, this would be kind of musty and smoky and should be pretty easy to distinguish from an otherwise unusual smell. However, if you can smell the exhaust even when within your vehicle’s interior, you might be having an exhaust leak. Since exhaust fumes contain carbon monoxide, this can be a major problem that should be handled right away.
Contact Our Mechanics
At Custom Complete Automotive, we are proud to provide quality, affordable exhaust repair services to ensure your car functions properly and safely. To learn more about our exhaust repair services, contact our team today!
Source: https://t-tees.com
Category: WHY
