The exhaust system of your car plays an important role in engine performance and emissions control. Over time, the exhaust components like the catalytic converter and muffler can malfunction. This is where you will have to deal with car exhaust problems. Everyone who owns a vehicle must know the symptoms of a failing exhaust system. Here’s a list of 7 such signs you need to be aware of.

Loud Exhaust Noises

Loud exhaust noises are one of the most common signs behind a failing exhaust system. As components like the muffler and catalytic converter wear out, they become less efficient. Hence, they will not be able to reduce noise and vibration. You may notice sounds like loud rumbling, roaring, popping or rattling from the exhaust. This typically signals a problem like a hole or leak somewhere in the system. Failing hangers or supports can also contribute to excessive noise.

Along with the loud noise, you should look for exhaust leak signs as well. Then you can figure out the exact cause behind the exhaust problem. In the meantime, it is also better to keep your eyes on decreased fuel efficiency.

Exhaust Fumes in Cabin

Most exhaust leaks occur at joints and connections. Fumes can enter the cabin through corroded areas or loose connections in the exhaust piping. You may smell unpleasant exhaust odours when driving if this occurs. Gas fumes contain dangerous carbon monoxide. Prolonged breathing of exhaust gases could cause poisoning, drowsiness, headache, or other health issues.

You should immediately check for leaks if exhaust smells are coming into the car. Then you can figure out the reason behind exhaust fumes inside the car. Make sure to fix this issue as soon as possible, as it can lead you to dangerous situations.

Decreased Fuel Efficiency

Your car’s fuel usage may increase noticeably if the exhaust has leaks or blockages. This happens because backpressure prevents optimal engine performance. It will force more fuel to burn. The engine needs to work harder. This uses more gas to generate the required power. Along with reduced fuel efficiency, you will also have to deal with increased emissions. Have your exhaust inspected if you observe a significant drop in miles per gallon.

Rattling Noises Under Car

Loose components in the exhaust generate noticeable vibrations and rattling sounds. This becomes prominent at idle or low speeds. Heat shields, support brackets and hangers can all come loose over time. You may hear rattling right after starting the engine cold or during acceleration. This indicates parts of the exhaust have broken or detached.

Driving with loose exhaust pieces can damage other components. You should immediately stop if you hear rattling sounds under the vehicle. It is better if you can tow your vehicle to a repair shop and fix the issue. Then you can get back on the road with peace of mind.

Exhaust Pipe Discoloration

You should regularly check the visible portions of the exhaust, like the tailpipe. If you notice signs of bluish, white, or black staining, it can point to an exhaust leak too. These stains appear from combustion gases escaping joints. They can also appear due to gases coming out from holes before being fully expelled. Rust is also common on tailpipes and mufflers.

Discolouration of exhaust pipes can create a negative impact on the aesthetics of your vehicle at first. But corrosion weakens the metal over time leading to holes and cracks. This will lead you to even more expensive car exhaust repairs. On top of that, you will experience reduced engine power.

Burning Smell from Engine

Heat damage from exhaust leaks can create burning rubber or plastic smells from the engine area. Fumes containing unburnt fuel may leak near hot components and ignite. Hoses, wiring, and belts are susceptible to melting or burning from excessive under-hood temperatures. The smell of burning plus exhaust leaks indicate the need for immediate repair.

Check engine light due to exhaust problems

Modern vehicles have sensors that monitor exhaust function. Issues like catalytic converter failure, oxygen sensor defects and exhaust leaks trigger the check engine light. Diagnostic trouble codes also get stored for specific exhaust faults.

You should never ignore these warning lights. They signal problems that need correction right away. Continued driving could lead to clogged catalytic converters, failed emissions tests, or engine damage.

Final words

Every vehicle owner must be aware of the importance of a heavy exhaust system. To keep your exhaust system healthy, you should work with a reliable exhaust shop. If you are looking for such an exhaust shop in Brendale, you may connect with Brendale Automotive. Regardless of the vehicle you drive, you can seek their assistance to keep your exhaust system in perfect condition. Whenever you get any of these signs, you may get their help as well.