Smells That Indicate Car Problems


When you buy a new car, it smells of leather and the materials that were used to make it. Over time this distinct smell fades and is replaced by other smells. As you, drive your car you become used to how your car smells and stop noticing it. However, changes in the way your car smells can help you to spot mechanical problems, which when repaired early will cost you a lot less than if you simply ignored the change in the way your car smells.

Be aware of smells or odours that seem to be different or out of the ordinary for your particular car. Pay particular attention to the smells coming from your exhaust, your tyres, brakes, the engine compartment or the ventilation system of your car.

If you smell a strange odour coming from the exhaust, it may indicate that there is a leak in the exhaust system. It could mean that there is a hole in your car’s exhaust manifold or another part of the exhaust system. If you can smell the exhaust inside the car this may mean that your hatchback or rear door seal is worn. If this happens, you can get carbon monoxide inside the car that can be deadly, so get the seal repaired immediately.

If you smell petrol or diesel, it may mean that there is a leak in your car’s fuel supply system. The leak can be in the fuel lines, gas tank or fuel filter. This can be very dangerous; a fuel leak could lead to a car fire. Check that the smell is not caused simply by not putting your fuel cap back correctly, if this is not the cause get your car checked by a garage to find the source of the leak.

A rotten egg smell within the car often means that the catalytic converter is going wrong. Leaving this problem can lead to a build up of particulates within the engine that means your car will become less fuel-efficient.

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