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fuel level inaccurate ford explorer gas gauge
Fuel level inaccurate ford explorer gas gauge may be due to a fault in the display system or the measurement system of the fuel gauge. If the fuel gauge is inaccurate, it is recommended to repair it as soon as possible, because the inaccurate fuel gauge may cause the vehicle to run out of fuel and the vehicle to break down on the road. Then it will be very troublesome; 2. Let's first understand the structure and working principle of the gasoline gauge: the fuel gauge has two systems, one is the display system and the other is the measurement system. The display system is to display how much oil is left in the fuel tank. The measurement system is Measure how much oil is left in the fuel tank; to put it simply, the signal from the measurement system is given to the display system, and the display system is displayed through the fuel gauge. The measurement system is composed of a float, a metal rod and a variable resistor in the fuel tank. The position of the float changes on the oil surface in the fuel tank, and the oil volume will be measured through the position change of the metal rod and then through the position change of the variable resistor.
1. If you encounter half of the scale of the oil gauge, then this phenomenon is relatively common, and it is fast and slow, especially the first half of the scale drops slowly, but it is fast when it reaches the second half;
2. Under normal circumstances, when the fuel gauge of the vehicle is falling from high to low, if the first half can drive 300 kilometers, the second half can only drive about 100 kilometers;
3. This is mainly related to the design of the oil pump used to reflect the amount of oil. It cannot reflect the change of gasoline consumption evenly. After all, this absolute uniform change is difficult to achieve, and it is not easy to change it through maintenance and replacement of parts;
4. If the oil meter scale of a new car suddenly drops to zero, it means that there is a problem with the sensor, and you can directly replace it with the 4S shop. If it is an old car, it must be cleaned in time;
5. The scale of the oil gauge rises suddenly. This is mainly because the connecting rod between the oil level sensor and the float is stuck, so that the float cannot float up and down normally, so the sensor will not change, so the pointer of the oil gauge will not change. fixed in a certain position.
Regarding the phenomenon that the drop rate of the fuel gauge pointer is not the same, it may be a design problem. The fuel gauge itself of some models is not designed in a linear manner. The phenomenon that the first half is slow and the second half is fast should be more normal. (Wilf energy-saving engine oil) The pointer of the oil gauge is unstable, which may be a problem with the oil level sensor of the oil gauge. If the pointer of the gauge does not reach the top after confirming that the oil is filled up, there should be a problem with the display of the fuel gauge. These problems can be checked by the repair shop.
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