Diagnose car while it is running

(Baonghean.vn) - During use, there are many errors and breakdowns on cars that are difficult for car owners to detect, because many errors are only revealed through small phenomena when driving.

The machine vibrates and does not start evenly.

This is a very common phenomenon of the car, when you press the brake, you find the car running rustling on the road, there is a grinding, screeching sound of the wheel. When this phenomenon occurs, you should check the brake pads, if the brake is worn, it needs to be replaced and the brake system maintained to ensure safety when driving.

Exhaust pipe noise when accelerating

When you accelerate and notice that the exhaust pipe is making an unusually loud noise, your car has a problem with the exhaust system, maybe the muffler or exhaust pipe is damaged or broken. This is also the cause of the car smelling of smoke and unpleasant gasoline fumes; it is necessary to quickly check and repair the damage to the exhaust system and exhaust pipe to avoid affecting the environment and harming the health of people in the car.

Knocking sound in the engine

This is usually bad news, as the loud banging is usually caused by worn or loose connecting rod bearings. Sooner or later the bearing will fail, either the bearing seizes the crankshaft, or the connecting rod fails.

This damage can be the result of using low viscosity oil, engine operation under low oil pressure, oil with a lot of dirt or due to incorrect engine disassembly, loose engine mounting bolts.

The temperature gauge is rising.

When driving, if you see the temperature gauge needle rise to the red zone, this is a sign that the engine cooling system has a faulty pipe, oil leak, broken seal or is out of coolant.

You need to check the cooling system, add coolant, add oil to ensure the engine operates to avoid overheating due to piston and cylinder friction causing serious engine damage.

Grinding sound in the gearbox

When driving a manual transmission, if you hear a grinding sound while shifting gears, it could be due to worn out synchronization. The clutch slippage could also be the culprit.

The engine makes a clunking sound.

After driving for a while, you notice that the engine makes an unusual noise, whether the car is running fast or slow. The cause of this error is that the car's ignition system, including spark plugs and fuel injectors, is damaged.

Check these parts for possible clogged injectors and soot-covered spark plugs; clean the injectors and replace the spark plugs if necessary to fix the problem.

Transmission fluid leak

A transmission fluid leak is one of the easiest ways to determine that your transmission needs attention. The fluid in an automatic transmission is vital to the vehicle's ability to shift gears, and even a small leak while driving can be a big problem.

Automatic transmission fluid is bright red, clear, and smells good when everything is working properly. When you check your automatic transmission fluid, make sure it doesn't have a dark color or a burnt smell.

Ngoc Anh

(Synthetic)