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List of catalogs of this article:

• 1, What's wrong with Dongfeng Xiaokang c52l engine camshaft without signal
• 2, What is the impact of a broken camshaft on the car
• 3,Awesome, engine without camshaft, what principle
• 4, The electric injection four-stroke engine only has a crankshaft sensor, and how does it control the engine without a camshaft sensor...
• 5 、What is the reason for Yuchai engine without camshaft signal
• 6, What are the classifications of engines?

What's wrong with Dongfeng Xiaokang c52l engine camshaft

First, it is caused by the failure of the camshaft sensor. Second, the camshaft sensor is caused by the failure of the relevant line.

The camshaft position sensor has no signal to start, but after starting, the idle speed is unstable, the acceleration is poor, and the fuel consumption increases.

The national four convex shaft sensor has no signal. If it is a new car, it's good to run more. If it is a car that has been driven for a long time, the brake disc and brake pad may be rusty. Just remove it and grind off the rust layer with sandpaper;Or the brake pads are seriously worn, so you need to replace them.

What is the impact of a broken camshaft on the car

The impact of camshaft fracture on the car is as follows: ignition loss Failure: The camshaft position sensor can determine the ignition order.

The camshaft position sensor is broken and the computer will inject oil disorderly!As a result, fuel costs, the car is weak, and the speed can't be accelerated.

If the camshaft sensor is broken, it will cause insensitive ignition, which makes it very difficult to start the car engine; or the ECU cannot obtain the information feedback from the sensor, resulting in abnormal control of the intake and exhaust system of the car engine and affecting its performance.

If the camshaft sensor is broken, it may cause the car engine to be out of time, and inaccurate timing will lead to a decrease in fuel consumption. The camshaft sensor is the camshaft position sensor, which is very important.

The pump body is moved down to offset the axis of the camshaft and the oil pump drive shaft. The camshaft of the fuel injection pump is subjected to forces such as twisting, bending and swinging to produce additional alternating stress, which eventually leads to the fatigue fracture of the camshaft. The camshaft drives the valve, which will also cause the valve opening and closing time to be incorrect, which in turn affects the intake and exhaust and cylinder pressure.

It leads to abnormal control of the intake and exhaust system of the automobile engine and interferes with its characteristics. In addition, the damage of the camshaft sensor will also cause the engine crankshaft to reverse during the operation of the vehicle, resulting in the problem of quenching of the intake branch pipe. And if the ECU cannot obtain information, there will be a problem of oil pump chaos, which will lead to an increase in fuel consumption.

Awesome, engine without camshaft, what principle

Camshaft sometimes has serious faults such as breakage. Common reasons include hydraulic rod fracture or serious wear, serious lubrication, camshaft Poor quality and broken camshaft timing gear, etc.

Timing gear, mechanical control, crankshaft position and camshaft are coordinated with each other through timing gear, that is, sensing the crankshaft position can calculate the working position of the camshaft.Sensor control increases the accuracy of ignition time, but don't forget the mechanical working principle of the traditional engine.

The working principle of the engine camshaft is: the continuous rotation of the car's camshaft drives the valve top rod to move up and down, and then controls the opening and closing of the valve; by changing the curve of the camshaft, the opening and closing time of the valve can be accurately adjusted.

The working principle of the engine camshaft is the continuous rotation of the car camshaft to push the valve top rod to move up and down, and then control the opening and closing of the valve. By changing the curve of the camshaft, the opening and closing time of the valve can be accurately adjusted.

The electric injection four-stroke engine only has a crankshaft sensor. How can the engine be controlled without a camshaft sensor?..

1. What the upstairs said is wrong. The two-stroke engine does not have a camshaft, and the crankshaft of the four-stroke engine transforms the up and down reciprocating motion of the piston into a rotating motion. Because the crankshaft rotates the engine twice, it only does one work, so the inertia of the crankshaft is also necessary to complete the intake, compression and exhaust.

2. The crankshaft position sensor is used to detect the engine speed, the crankshaft position (angle) signal, the stop signal of the first cylinder and the compression stroke of each cylinder, which is the main signal to control the injection and ignition time. Like the airflow sensor, it is the main sensor in the engine centralized control system.

3. Each cycle, one valve is only opened once, that is, the crankshaft rotates for two weeks and the camshaft rotates for one week. The figure above is a double overhead camshaft engine. Four-stroke engines are much more efficient than two-stroke engines.However, a considerable number of movable parts and higher manufacturing technology are required.

4. The sensors and functions used in electronically controlled diesel engines are as follows: x0dx0a crankshaft sensor accurately calculates the crankshaft position, which is used to calculate fuel injection time, fuel injection volume and rotation speed. X0dx0a is used for temporary operation when the camshaft sensor judgment cylinder and crankshaft sensor fail.

What is the reason for the lack of camshaft signal in Yuchai engine

1. The reasons for the insufficient camshaft signal are as follows: Insufficient camshaft position sensor signal will affect the start-up of the car, because the engine needs to be based on the convexity when starting The signal ignition of the axle position sensor. Therefore, the signal of the camshaft position sensor is missing, and the engine ignition is chaotic and cannot be started.

2. If the line is faulty, deal with the line failure first. If there is no problem with the line, it is generally that the camshaft position sensor is broken, and you can try to replace it.

3. There is a problem with the formal system. Check whether there are gear teething, keyway rolling keys, or unqualified camshafts or gears have been replaced.

4. There is no crankshaft signal and camshaft signal. We first check whether the crankshaft sensor and camshaft sensor are broken. We can put on the new crankshaft sensor and camshaft sensor, and it should be fine. If there is still no signal, you need to find a professional circuit repairman to check the circuit.

5. The national four convex axis sensor has no signal. If it is a new car, it's good to run more. If it is a car that has been driven for a long time, the brake disc and brake pad may be rusty. Just remove it and grind off the rust layer with sandpaper;Or the brake pads are seriously worn, so you need to replace them.

What are the classifications of engines?

According to the number of cylinders, it can be divided into single-cylinder engines and multi-cylinder engines. According to the arrangement of the cylinders, it can be divided into in-line engine, V-type engine, radiant engine, opposite engine and horizontal engine. Classified according to the cooling method. According to the cooling method, it can be divided into water-cooled engine and air-cooled engine.

According to different power sources, automobile engines can be divided into diesel engines, gasoline engines, electric vehicle electric motors and hybrid engines, etc. According to the working mode of the air intake system, it can be divided into four types: natural intake, turbocharging, mechanical supercharging and double supercharging.

Engine type: according toEngine fuel usage can be divided into two types, one is a gasoline engine and the other is a diesel engine. The volume of the gasoline engine is relatively small, the mass is light, and the noise is relatively small. The volume of the diesel engine is relatively large, the power is strong, the economic performance is good, and the noise is relatively large.

●Classified according to the number of cylinders: Internal combustion engines can be divided into single-cylinder engines and multi-cylinder engines according to the number of cylinders. An engine with only one cylinder is called a single-cylinder engine; an engine with more than two cylinders is called a multi-cylinder engine.