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How to look at the engine tachometer (easily master the engine tachometer and Arena Plus loginunderstand the operating state of the engine) The engine is the heart of the car, and the operating state of the engine determines the overall performance of the car. And the engine tamometer is one of the important tools to help us understand the operation of the car engine. This article will teach you how to easily master the engine tachometer and understand the operating status of the engine. I. What is an engine tachometer? An engine tachometer is one of the common instruments on the vehicle dashboard and is the engine operating status monitor of a car. It can record parameters such as engine speed, gear position and vehicle speed. The display unit of the engine tachometer is usually RPM (rpm), which is one of the indicators of engine operation.Engine tachimeters can have different forms and functions according to the needs of different cars. II. The function of the engine tachimeter The engine tacometer mainly has the following functions in the process of vehicle driving: 1. Monitor the engine speed. Engine speed refers to the number of laps of the engine crankshaft rotates per minute, which is usually expressed by RPM (rpm). Through the engine tacometer, we can monitor the engine speed in real time and the speed fluctuations caused by the use of the car. Two. Judging the load of the engine. The quality of the engine load directly affects the performance of the car. Through the engine tachymeter, you can understand the use load of the engine. If the engine load is too high, the speed displayed by the tactometer will be high. 3. Remind the driver to change gears appropriately.Engine tacometer, we can judge the current operating state of the engine. If the speed is high, we need to remind the driver to change gears to reduce the engine load. Four. Prevent mechanical failure. When the engine speed fluctuates abnormally and the high speed lasts for too long, adverse mechanical reactions will occur, which will lead to the wear of the engine parts and be prone to failure. Therefore, through the reading of the engine tachometer, the abnormal situation of the engine can be detected in time and mechanical failure can be avoided. III. How to look at the engine tachometer? How to look at the engine tachometer? Mastering the indicators and meanings are the skills that every car owner and driver need to learn. The specific steps are as follows: 1. Turn on the engine tachometer. When the ignition starts, the engine tachometer will start to display. However, if the tactometer pointer is at 0 or fluctuates, it indicates that there is a problem with the engine, and it needs to be checked in time.Two. Understanding the RPM indicator The RPM indicator is the unit of engine speed. Usually, the ruler of the engine tachometer is 4,000 to 8000 rpm. When starting the engine, the tactmeter pointer will fluctuate briefly, but in long-term operation, the tactmeter should remain within the normal range. 3. Note that the engine speed fluctuation should be stable under normal operation. If you find that the tactmeter pointer fluctuates greatly, or the color depicted on the tactmeter exceeds, it means that there is a problem with the engine operation and needs to be repaired in time. Four. Observe the ratio of engine speed and speed. When the car accelerates, the engine speed will also increase. In this case, the pointer of the tachometer will point to a long ruler, and the pointer will change rapidly. At this time, you can observe the ratio of engine speed and car speed to understand the acceleration of the car.IV. Conclusion After mastering the skills of using the engine tachometer, the owner and the driver can understand the engine operation status of the car more comprehensively, accurately and timely, avoid mechanical failures and extend the service life of the car. In daily driving, we should always pay attention to the pointer of the engine tactometer, keep abreast of the operating status of the engine in time, and ensure that the car runs smoothly, safely and efficiently.

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