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Exhaust system is installed in places you are less likely going to access during your routine car check-up. This crucial car component is more often than not forgotten only to be remembered when it’s too late. Today we address some of the most common Exhaust System Problems that you need to be aware of as a driver so that you can avoid them if possible. Check out the following:

1. Faulty Oxygen Sensor

You might not believe this but yes, your car is installed with numerous oxygen sensors within the exhaust system. A malfunction in just one of these sensors can be enough to confuse your vehicle’s computer system. Car computer system relies on these sensors to create a balance between air and fuel mixture to enable your car run smoothly and efficiently.

If one of your car’s oxygen sensor is faulty, the car engine’s computer won’t be able to create the correct balance between air and fuel mixture. The end product would be a mixture that is low on air and high on gas. Such a blend is hotter than intended. It may also cause a clog in your catalytic converter leading to further damage of your system and car.

2. Exhaust Leaks

How often do you drive on rough or rugged roads? Rough road conditions weaken your vehicle. If you regularly drive on rough roads, your exhaust system may quickly encounter problems given its location and material it’s made up of. The stones and bumps mean a lot of shaking and vibrations as you drive. Such conditions weaken the exhaust system especially the weak areas like the joints. When sections of the exhaust system crack due to this, poisonous fumes start leaking into the passenger’s cabin resulting in serious health and safety concerns.

3. Exhaust Smoke

We all know that a smoking car is never a good sign but many people can’t tell what the different colors of smoke mean. Check out our post on Different Colors of Exhaust Smoke and what they mean. Meanwhile, just know that an easily identifiable exhaust color is not a good sign.

4. Rust

If you are used to taking shorter trips as opposed to longer ones, your exhaust system may be more susceptible to rust than those that drive for longer periods. Taking shorter trips frequently allows water vapor from exhaust fumes to collect in the exhaust system. This is because the water vapor never gets hot enough to evaporate completely. Gradually, through condensation, the water vapor accumulates as liquid water in the exhaust channel. We understand that one favorable condition for rust to take place is the presence of water. Therefore, this rusts and corrodes your exhaust system from the inside out.

5. Broken Hangers

Hangers are those handy little parts that hold the exhaust system in place and protect it from shaking and banging around during vigorous movement like when you hit a bump or travel on irregular road surface. These components help keep your exhaust firm and secured on your car. Sometimes these parts break or become loose. Once the hanger breaks and falls off, the exhaust pipes become free to move around. Their movement may lead to dents as they hit various parts of the vehicle, cause holes and in some cases lead to the entire exhaust system breaking and falling off. Your exhaust system hangers should be routinely inspected to ensure none are broken or missing altogether.

6. Vibrations

While driving, any strange vibrations coming from your steering wheel or gas pedal are pretty good signs that your exhaust system requires repair services. If the exhaust system is bad enough, your whole car may begin to shake as you drive. These vibrations pose a real threat to not only your car’s health, but your safety, safety of passengers in your car, and of course the others other road users.

7. Increased Engine Noise

Sometimes drivers severe or modify exhausts to derive some weird or loud sounds. That is intentional but sometimes when you hear strange sounds from your exhaust system, then you need to be worried. The first noticeable sign of an exhaust leak is usually an increase in the engine noise. An exhaust leak could most likely be in your system’s manifold or in any of the joints along the exhaust system. If the leak is in the manifold, not only will your engine’s volume increase, but toxic fumes could leak and enter the passenger cabin. Let’s not forget that this also leads to environmental pollution.


You can easily prevent these exhaust system problems from occurring. Have your exhaust system inspected every year, regardless of whether you’ve noticed any of the above mentioned problems.

Schedule an exhaust system service today and let a team of experts advise you whether you need your check engine light checked, exhaust leaks repaired, or just some general peace of mind checks for your car or motorbike.

During such inspection, they’ll be able to identify any trouble areas of your car and provide you with suitable, robust, and timely solutions.

Check out our next post on how the exhaust system affects car performance.

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By Editor Car Xperts Reloaded

Car Xperts Reloaded is run by highly experienced auto-engineers and auto-bloggers with many years of motor industry workings and passionate about all things related to cars and automotive. Our goal is to provide readers with useful and interesting information, so that they can make informed decisions when purchasing or maintaining their cars. We are open to suggestions and feedback, and excited to be part of the automotive blogging community!

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