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level gauge visual fuel
How do you look without an fuel dipstick? Now many models are equipped with electronic fuel dipsticks. Some car users question the accuracy of electronic fuel dipstick measurement. With the continuous development of electronic technology, it can be said that the accuracy of electronic fuel dipstick measurement continues to improve. In the current models equipped with electronic fuel dipsticks, the measurement steps and conditions are different. In some cases, after the car is warmed up on flat ground, turn off the engine for a few minutes and then turn on the power to check.
1. The premise of the measurement is to park the car on a flat ground. No matter what the shape of the engine fuel pan of the car is, the position of the fuel dipstick is fixed, that is to say, the fuel level is measured at a fixed position. If the vehicle is parked on a slope, the fuel in the fuel pan will inevitably accumulate at a low place. In this case, the measurement must be inaccurate. Therefore, only by parking the vehicle on a flat road according to regulations can accurate measurement results be obtained.
2. Whether it is measured after the hot car is turned off or the cold car is measured, most of the vehicle manuals indicate that "you need to turn off the engine and wait for 3-5 minutes before checking". The measurement according to the manual of the car is definitely correct, but often many car owners go upstairs after parking the car. When they start the car for the first time in the morning, they think of measuring the fuel level, but at this time the car has been parked overnight. Does not meet the measurement standards of the specification. According to experience, the liquid level on the fuel dipstick is only 1-2mm different after the engine is turned off for 5 minutes after a cold car and a hot car. If you just want to check the approximate position of the fuel level, you don't have to worry about which measurement method to use; if you want to check the fuel level accurately, just turn off the engine on the flat ground and wait for 5 minutes before measuring, whether it is the maintenance of the car manufacturer Manuals or professional maintenance technicians use this method to accurately measure the fuel level.
3. How to look at the fuel level is the most accurate. The engine fuel level can ensure the normal operation of the engine and related parts when the fuel level is between the upper and lower lines of the fuel dipstick measurement area. Some car owners pull out the fuel dipstick and look directly at the scale line at the end of the dipstick, which is incorrect. A few minutes after stopping the engine and turning off the engine, although most of the engine fuel has returned to the fuel pan, the fuel splashed by the crankshaft on the fuel dipstick will still hang on the fuel dipstick. These fuels are often connected with the fuel in the measurement area. Together, there is a high chance of misreading. Once again, the fuel dipstick must be inserted to the bottom. If the fuel dipstick is not bottomed out, the pressure of the crankcase may break the fuel dipstick, and the fuel will not fly out a lot. But because there is no seal of the fuel dipstick, the crankcase is directly connected to The atmosphere is connected, resulting in abnormal pressure of the crankcase ventilation system, which will affect the normal operation of the engine.
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