How to Solve the Problem of Always Smelling Exhaust Fumes in the Cabin?

3 Answers
DiJasper
07/29/25 9:00am
Bamboo charcoal bags have strong odor adsorption capabilities, making this method very effective in eliminating odors inside the car, with long-lasting effects. Bamboo charcoal bags can selectively adsorb various substances in the air to achieve disinfection and deodorization. Additionally, bamboo charcoal bags are inexpensive and easy to purchase, making them an excellent choice for odor removal. It is recommended to choose bamboo charcoal. More detailed information is as follows: 1. Fruits like pomelos and lemons also have excellent odor-removing effects. The efficacy of pomelos is similar to that of bamboo charcoal bags, with the ability to adsorb odors, while lemons are effective due to their strong and long-lasting fresh scent. Natural ventilation methods, such as opening windows for cross-ventilation while driving and keeping windows open as much as possible when parked, can accelerate gas dissipation. After buying a new car, try to avoid adding interior decorations. If decorations are necessary, choose high-quality products. Also, avoid exposing the new car to direct sunlight, as heating can make odors harder to remove and harmful to health. The most important thing is to thoroughly inspect the car before purchase, eliminating potential odors during the selection process. 2. Additionally, odors inside the car may be caused by a dirty cabin air filter. A dirty cabin air filter can lead to unpleasant smells. It is recommended to replace the cabin air filter and perform a cleaning of the air conditioning ducts, which can effectively remove odors and maintain clean ducts.
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FranciscoFitz
08/12/25 7:57am
After driving for a long time, I sometimes smell that unpleasant exhaust odor inside the cabin, which might indicate a problem with the exhaust system. The first thing to check is whether there are any holes or corrosion in the exhaust pipe, especially underneath the car, as it’s prone to damage from rocks and rust. Then, inspect the fuel tank cap to ensure it’s tightly sealed—if it’s loose, exhaust fumes can seep in. The air conditioning system is another common culprit; poor sealing around the air intake can draw in external exhaust fumes. Try rolling down the window to see if the smell is coming from outside. Safety first—exhaust fumes pose a cancer risk, so don’t delay. Take it to a professional repair shop for a smoke test to locate the leak. It’s an affordable fix. Replacing the air filter yourself might help improve air quality, but avoid DIY solutions for serious issues.
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BradyDella
10/06/25 3:05am
Hey, my car keeps emitting exhaust fumes, which is really annoying! I usually start by checking the simplest things first, like whether the fuel tank cap is tightened properly. I also inspect the exhaust pipe for any cracks or rust spots. Then, I pop the hood to see if the gasket at the exhaust connection has aged. I try turning off the AC and opening the windows to see if the smell is coming from outside, or if it might be engine oil leaking and mixing with the odor. Online sources suggest replacing the air filter to improve the situation, but when that didn't work for me, I took it to the repair shop to check the exhaust system. The mechanic used a multimeter to test for electrical leakage issues. It's better to save money and peace of mind by not messing around too much, as it could affect your health. For prevention, regularly clean the AC system to avoid clogging the air intake, which can cause backflow of exhaust fumes.
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