What should my exhaust smell like?

Normally, exhaust has a sort of smoky, musty smell. It’s hard to describe, but relatively easy to identify by smell. If your exhaust smells like exhaust normally does, you may not have anything to worry about . . . depending on where you can smell it.

Why does car exhaust smell good?

Benzene is added to the gasoline to increase octane levels, which improves engine performance and fuel efficiency. Benzene has a naturally sweet smell that most noses are particularly sensitive to.

What happens if you smell car exhaust?

If you notice a very strong exhaust smell in the car then you probably have a leak in the exhaust system. There may be a hole in the exhaust pipe, tailpipe, or muffler. If carbon monoxide is leaking into your car this is serious as this chemical is highly toxic to humans.

What does fuel fragrance do?

Alcohol Fuel Fragrance. Goes in your fuel, comes out your exhaust! PitStopUSA.com carries a great selection of Alcohol Fuel Fragrances that blends clear, eliminates eye, nose, and throat irritation and eliminates harsh odor. Safe for all internal combustion engines.

What causes exhaust fumes?

Perhaps the most common cause of exhaust fumes in the cabin is a leaking exhaust manifold Consisting of metal pipes connecting the engine’s cylinders to the exhaust pipe, it’s responsible for guiding exhaust fumes away from the engine. Unfortunately, it’s not uncommon for exhaust manifolds to crack and leak.

What is fuel additive?

Fuel additives are compounds formulated to enhance the quality and efficiency of fuels used in motor vehicles. They increase a fuel’s octane rating or act as corrosion inhibitors or lubricants, thus allowing the use of higher compression ratios for greater efficiency and power.

Why do cars run rich when cold?

When the engine is cold, the engine needs more fuel to run properly. It is the engine coolant temperature sensor’s job to measure the coolant’s temperature to identify when it should add extra fuel to the engine. If the engine coolant temperature sensor is faulty, you may get a mixture that is too rich.