2. If it is the burning smell from your car, the most common situation is that the plastic bag is stuck on the exhaust pipe. There is that kind of thin plastic bag on the road, and vehicles ride it. Because the exhaust pipe is very hot, the plastic bag will melt and stick to it when it touches the exhaust pipe, and then continue to melt, giving off the burning smell of plastic. Although the source of this smell is at the bottom of the vehicle, it will be around the whole vehicle. When driving, you will enter the car from the air inlet of the air conditioner, and you will smell a strong burnt smell. So if you think the smell is strong, find a safe place to stop the car and come down first to see if there is anything on the exhaust pipe. Generally, it is in the front or middle position of the exhaust pipe, and a small number of cars are behind the exhaust pipe. Check as soon as you smell it. At this time, the plastic bag has not completely melted, which can be seen at a glance.
3. Driving with the handbrake, the handbrake plate is burnt out, which belongs to improper operation and abnormal driving. If the handbrake is not loose, the handbrake is always in a state of friction, and friction will generate a lot of heat. If the heat is too high, the handbrake will smell burnt and even be scrapped directly. Generally, it will appear in automatic transmission cars, and it is a novice driver, and the frequency of appearance will not be too high. At this point, the car not only has the smell of burning, but also has the alarm sound of dripping all the time, and the car is very heavy when driving, so there will be many hints and performances, and it is easier to find this mistake.
4. After starting on a big slope, the manual brake smells burnt, so it doesn't need too much inspection. It must be from the clutch plate. When starting on a steep slope, the accelerator added in the semi-clutch state will be very large, the clutch will loosen slowly or incompletely, and there will be intense friction between the clutch plate and the flywheel, which will cause the clutch plate to burn at high temperature and produce peculiar smell. The vast majority of these cases are novice drivers. Of course, occasionally the clutch plate will not be damaged too much, but the surface of the clutch plate is burnt. If you feel abnormal after driving, you can use it normally without any abnormality. If you feel abnormal at first, the clutch plate may be damaged and need to be replaced. And the clutch plate is not guaranteed. Once I met a new car and asked if I could guarantee it. The answer is no, there is no warranty for any component damage caused by man-made reasons.
5. The engine leaks oil somewhere, and the oil drops smell when they reach the exhaust pipe. And the smell of the engine or the burnt wires in the cab, which is the most serious, need to be turned off immediately, otherwise there is a danger of spontaneous combustion. Special attention should be paid to old cars, and aging lines, short circuits and improper use of electrical appliances may burn out lines. There will be an odor before spontaneous combustion, and it may ignite if you drive carelessly. The smell inside the car is very strong, so you must stop the engine immediately and check the source of the smell, whether in the cab or in the engine compartment.