5 signs that your car engine is weakening

Over time, the car engine gradually loses power for many reasons. If not repaired promptly, you will have to spend a large amount of money to completely "restore" the engine. Below are 5 signs that the engine is losing power that you need to pay special attention to.

In older cars, the carburetor and fuel pump are two extremely important mechanical parts in the engine's operation. If the fuel line is clogged or the intake air is clogged, the engine will gradually weaken and not be as powerful as the original.

Nowadays, these systems are manufactured extremely sophisticated and controlled completely electronically, which has partly solved the risks that often occurred in older cars. However, you also need to pay special attention to the engine when the following phenomena appear.

Difficult acceleration

This is the most recognizable sign, one day you press the accelerator and the engine does not respond as quickly as when you first bought it, you are forced to press the accelerator deeper than usual to overtake other cars. At this time, you need to immediately check for blockages in the injector, air filter or fuel line leaks.

The injector will push fuel into the cylinder combined with clean air that has been filtered before, in the combustion chamber, the ignition system will burn the mixture of gasoline and air to rotate the piston. Through the process of use, the fuel line leaks, the pump is weak and the filter is clogged, which will distort this air-fuel ratio, causing the vehicle to operate below its designed capacity.

Exhaust signals

If your car is not a supercar and you see flames coming out of the exhaust pipe, then the fuel injection system is pumping too much fuel into the combustion chamber or the spark plugs are not burning all the fuel. In addition, damage to the electrical system and exhaust gas sensors, engine sensors also cause deviation in the air-fuel ratio.

Another reason is that the spark plug is covered with carbon during the ignition process or from engine oil entering the combustion chamber. In addition, black smoke appearing from the exhaust system is a sign of serious engine problems, you should quickly check them as soon as possible.

Steering wheel shaking

When the engine is idling, the car vibrates more than usual, the severity of this phenomenon is easily felt from the vibrations transmitted to the steering wheel or the entire car. If the car's vibration lasts for a long time, it will lead to many other consequences such as the car consuming more fuel, the engine starting more difficult, the engine jerking when idling, especially when you turn on the air conditioner, heater or lighting system.

When your car’s steering wheel vibrates, it’s likely your engine is losing power. This can be caused by three main things: one or more spark plugs failing, loss of engine pressure, and an incorrect air-fuel ratio.

Specifically, if the spark plug does not work, you should check the high-voltage line. Meanwhile, if the engine loses pressure, it means that too much gasoline and air is entering the combustion chamber, caused by a leaking valve or a cracked cylinder head gasket.

Difficult climb

Similar to the difficult acceleration situation, your car has to work very hard to climb up the hill while before, you could conquer it easily. The cause of this often originates from the fuel system. Specifically, the filter will retain dirt with a size of 1/1000 inch, if it is clogged, the fuel pump will have to work harder to compensate for the lack of fuel. When the car climbs the hill, the lack of fuel will be worse, causing the car engine to stall and lack of power to help the car climb the hill.

However, just checking the fuel filter is not enough, you need to consider other causes of blockage such as the fuel tank being too clogged or the fuel you put in the car is not clean.

Check Engine Light is on

Today's cars are equipped with many sensors around the engine, so when these parts have problems, the computer system will recognize and notify the owner through the lights on the dashboard. Of course, errors related to the engine will mostly cause the car to operate unstable and weaker. When you see this light on, you first need to check the parts with sensors such as the exhaust filter (catalytic converter), oxygen sensor, air intake sensor and spark plug wires.

Next, you should check the crankcase ventilation pipe, if it is cracked or loose, too much air entering the combustion chamber will cause the engine to "suffocate". This detail is a very important part of the emission control system, it is quite small and easy to replace at a not too high cost.

Once you understand the signs that your car is getting "weaker", you can easily detect the car's "illness" and repair it quickly at the most reasonable cost.

According to VNN