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List of contents of this article:

• 1. What is the impact of a broken camshaft sensor on the car
• 2, How to detect the position sensor of the car camshaft?
• 3, What is the cause of the failure of the camshaft sensor
• 4 、 What will happen if the engine camshaft sensor is broken?

What is the impact of a broken camshaft sensor on the car

The impact of damage to the camshaft position sensor is as follows: ineffective ignition; difficult to start; unstable idling; unable to refuel; fuel consumption Increase; the car shakes; the fault light is always on; the car suddenly turns off when it is hot; the driving is frustrated; the engine wears out faster.

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.

The camshaft position sensor is broken. The car has a high-pressure fire, but the start-up time is long, and the car can finally run.

How to detect the position sensor of the car camshaft?

The measurement method of the camshaft position sensor is: the camshaft sensor is generally a three-wire Hall sensor.Unplug a 12v or 5v power cord, a signal cable, and a turnout plug, turn on the key and measure with a voltmeter to confirm that the power cable has a voltage output.

The measurement method of the car camshaft position sensor is as follows: unplug the plug, turn on the key two gears, and measure with a voltmeter to ensure that the power line has a voltage output; use a meter to determine the ground wire, connect one meter strip to the determined power line with the voltage gear, and connect the other meter strip to the other two wires.

Camshaft sensors are generally three-wire Hall sensors, one is a 12v or 5v power cord, a signal cable, and an iron wire; unplug the plug, turn on the key and use the voltmeter to measure the voltage output of the power line.

The measurement method of the camshaft position sensor is as follows: camshaft transmissionThe sensor is generally a three-wire Hall sensor, including a 12v or 5v power cord, signal line and ground wire. Unplug the plug, turn on the key to the second gear, and measure with a voltmeter to ensure that the power cord has a voltage output.

The detection method and fault diagnosis and elimination method of the camshaft position sensor: the detection of the sensor power supply voltage turns off the ignition switch, and press the sensor wire connector plug. Use the positive and negative signs of the meter to connect with terminals 1 and 3 respectively. When the ignition switch is turned on, the voltage should not be less than 5V.

What is the cause of the failure of the camshaft sensor

1. The main performance of the common faults of the camshaft sensor. When the camshaft sensor occurs, the car is veryIt can occur insensitive ignition, difficult operation, idling jitter, car vibration, weak acceleration, increased fuel consumption, continuous illumination of fault indicator light, hot car stop fire and other situations.

2. There are many reasons for the failure of the camshaft sensor, including electrical failure, mechanical failure and environmental factors. Electrical failures may be caused by sensor line failure, poor connector contact and other reasons. Mechanical failures may be caused by damage to the internal parts of the sensor, external damage to the sensor and other reasons.

3. Some fault performance and causes: ignition failure: The sensor is used to determine the start-up order. Failure will lead to poor ignition and difficulty in starting the engine. Engine weak: The driving computer cannot obtain information about the change of the position of the camshaft, and cannot detect the change of the position of the camshaft, which affects the intake and exhaust system and then affects the performance of the engine.

4. Camshaft sensor is an important part of the engine and belongs to precision parts. If it is installed improperly, the parts are aging or the parts themselves are of poor quality, it is easy to cause damage. Ignition failure: The camshaft sensor is used to determine the ignition order. If it fails or is damaged, it will cause the car to fail to ignite and the engine to be difficult to start.

What will happen if the engine camshaft sensor is broken?

If the camshaft sensor is broken, it will cause insensitivity to ignite, 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.

Camshaft position transmissionThe sensor is broken: If the camshaft sensor of the car is broken, there will be an increase in fuel consumption and difficulty in starting. During the start-up process, there will be crankshaft reversal, and there will be a phenomenon of temening in the intake manifold.

In addition, the destruction 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.