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Why does the oil gauge not move after refueling? First of all, you need to understand the working principle of the fuel gauge: there is a float (oil float) in the fuel tank of the car, and the float drives a sliding resistance, so that the potential of the measurement terminal changes with the change of the fuel tank oil level.
The automotive instrument processes this signal and displays it, and the corresponding display value is the remaining fuel volume of the fuel tank.
The main reason for the oil gauge not to move after refueling: it may be caused by the oil float stuck or aging and damaged into the oil, so that the oil float can not float on the gasoline, suspended in the gasoline or sink to the bottom, which will lead to inaccurate measurement or no action response, the solution is to disassemble the oil pump for inspection.
Other manifestations of fuel gauge failure:
1. The indication of the oil gauge is high or low.
2. The fuel gauge is unstable and drifts up and down during driving.
3. The fuel gauge indicates motionless.
The relationship between the oil level height and the actual oil storage of the tank is not a simple linear relationship. If a fully fueled car is used for a period of time, the height of the fuel level in the fuel tank drops by one-half, and the float is also reduced by one-half, which is reflected in the pointer on the fuel gauge also drops by one-half, but due to the irregular shape of the fuel tank, the car actually consumes more than half of the fuel.
In this case, the volume of the lower half of the fuel tank is much smaller than the upper half, and when half is displayed, the actual amount of fuel left is less than half, thus misleading the owner.
2. Change the size of the gear. It can be modified on the fuel gun or refueling meter, and the second wheel will be smaller if it turns for a week, so the actual amount of fuel will be smaller. This is because the number of refueling quantities is displayed on the display for every revolution of the transmission gear of the refueling meter.
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If the fuel tank is full, the oil floats at the top of the fuel tank, so the fuel volume is still at a relatively high position for more than 100 kilometers, so it will not be displayed, and then run to see if it is 300 kilometers, if it still shows full fuel, you should check whether the oil float is not reset.
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1. If the pointer of the oil gauge does not move, the oil float is generally broken. It is recommended to go to the repair shop to dock the oil float 2 wires, if the oil gauge pointer to the top is the oil float is broken, if it still does not move to check the line and dashboard; 2. If the pointer does not move after just filling up the oil, it means that the oil float is pushed against the top of the fuel tank by the buoyancy of the oil; 3. The pointer connected to the sensor will not move, when a little fuel is consumed and the oil float drops, the pointer will move with the sensor. @2019
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The fuel gauge pointer does not move, and the oil float is generally broken. If the pointer does not move after just filling up the oil, that is, the oil float is pushed on the top of the fuel tank by the buoyancy of the oil, and the pointer connected to the sensor will not move.
If the pointer of the oil gauge does not move, the oil float is generally broken. If the pointer does not move after just filling up the oil, that is, the oil float is pushed on the top of the fuel tank by the buoyancy of the oil, and the pointer connected to the sensor will not move.
First of all, we understand how the oil gauge shows the amount of oil, it is connected to a metal rod through a float in the fuel tank, this principle is similar to the toilet tank in the bathroom, the tail end of the metal rod connected to the float will be connected to a variable resistance through a movable contact, the change in the position of the float on the oil surface in the fuel tank will also change the position on the variable resistance through the metal rod, and this variable resistance will be connected to the oil gauge of the car. The movement of the fuel gauge pointer is controlled by the amount of current through a variable resistor.
If it's a bit old, it's likely to be a problem with the oil float, which is what we call the oil level sensor. Then we can check whether the oil level sensor plug on the fuel tank is loose and whether it is oxidative ablation; Observe whether there is any stagnation during the slippage process of the oil level sensor.
If there is no problem with the oil level sensor, then it is likely that there is a problem with the fuel gauge line of the dashboard, at this time, the instrument panel should be removed, and the multimeter and pin should be used to find the corresponding fuel gauge line on the instrument for detection.
If the fuel gauge of the new car suddenly drops to zero, and then does not move, then it means that there is a problem with the sensor and can be replaced directly with the 4S shop.
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Reasons why the fuel gauge does not move after refueling: there is a problem with the fuel gauge sensor, the fuel gauge fails, the oil float is damaged or the gauge pointer reaches the top, the negative pressure adjustment inside the diesel fuel tank changes, and the battery power is lost.
1. The fuel gauge sensor is stained or its plug is loose, and the oil quantity cannot be accurately measured. Solution: It is recommended that the owner go to the 4S shop or maintenance shop to remove the remaining brother for cleaning and adjustment, and replace it if necessary.
2. The fuel gauge is faulty. The fuel gauge does not move or is inaccurate due to the failure of the fuel gauge itself. Solution: It is recommended that the owner go to the 4S shop or maintenance plant in time to dock or repair the two wires of the oil float.
3. The oil float is damaged or the gauge pointer reaches the top. The oil float is propped up on top of the tank by the buoyancy of the oil, so the pointer to which the sensor is connected does not move. With a little fuel consumption, the oil float will drop and the pointer will move with the sensor.
Solution: It is recommended that the owner go to the 4S shop in time to replace the oil float.
4. The internal negative pressure adjustment of the diesel fuel tank changes. The remaining oil in the car fuel tank and the new oil cannot be used thoroughly, which leads to the difficulty of accurate measurement of gasoline and diesel level meters. Workaround:
It is recommended that the owner go to a 4S shop or a professional repair shop for maintenance, which cannot be solved by non-professionals.
5. Battery power loss. When the vehicle is parked for a long time, the battery will self-discharge, and the power will gradually decrease, eventually leading to a loss of power. Solution: It is recommended that the owner start the vehicle regularly to charge the front Sakura battery, even if it is heated in place.
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The reasons why the car fuel gauge does not move are roughly divided into four categories, 1. The plug of the oil level sensor falls off, and the oil level sensor is what we often call the oil float. 2. The battery power of the car is too low. 3. Lack of lubrication of the fuel gauge pointer. 4. There is a problem with the fuel gauge line.
When the oil meter does not move, there are corresponding solutions, first of all, the best is to go to a professional maintenance organization for problem inspection and repair. Secondly, if the situation is urgent, we can also solve it by ourselves, if the oil float falls off, we only need to plug it back in; If the battery is out of power, we need to charge the battery immediately to avoid unnecessary trouble; Finally, you can check the fuel gauge pointer, if there is a lack of lubrication, apply lubricating oil to the oil gauge pointer.
2.If the throttle is closed at this time, the jitter will decrease or disappear, and the speed of the vehicle will change with the degree of damage to the faulty part when the fault occurs;
3.In most cases, this is caused by pitting at the point where the inner wall of the inner cage is often in contact with the outer skin of the needle roller bearing, i.e. where the torque is transmitted (stress point). So first, check if the left and right half shafts are bent.
Secondly, disassemble and check whether there is wear and pitting on the inner walls of the left and right inner cages.
When the vehicle accelerates rapidly, because there is a certain angle between the axial direction of the half shaft and the axial direction of the inner cage, in the process of cage rotation, the stress point constantly changes back and forth along the axial direction, and the force generated by this change continuously pushes the body to the left and right sides, thereby causing the phenomenon of shaking.
Under the action of long-term torsional fatigue and impact force, the half shaft of the automobile is prone to bending, torsion and fracture, and its spline teeth are worn or twisted, resulting in the car accelerating to a certain speed range, the front of the car shakes regularly, and the shake disappears or decreases after releasing the accelerator.
The problem is most likely with the engine running. If the engine needs to work, it must have enough air gas, enough gasoline and an ignition system in good working order. On the one hand, any problem can cause the engine to shake.
In engine ignition systems, ignition high-voltage wires usually have few problems, so the main problems are the ignition coils and spark plugs. Because they are all consumable parts, when the performance of the spark plug is reduced or when an inferior spark plug is used, the car will not be able to accelerate the jitter.
The fuel system of a car is relatively large and has many parts, and an abnormality or failure of one of the components will cause the engine of the car to shake when accelerating.
For example, excessive carbon build-up on the throttle, faulty injectors, faulty gasoline pumps, clogged gasoline filters, and so on.
In general, body shaking is not a trivial matter. Unless it is a normal frustration, you should go to a professional repair shop or 4S shop for repairs immediately.
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Why does the fuel gauge not move after refueling? First of all, you need to know how the fuel gauge works: there is a float (oil float) in the fuel tank of the car, and the float drives a sliding resistance so that the potential of the measuring terminal changes with the change of the fuel level of the fuel tank.
The instrument processes and displays this signal, and the corresponding displayed value is the amount of oil remaining in the tank.
The main reason why the fuel gauge does not move after refueling: it may be that the oil mark is stuck or aging, so that the oil mark cannot float on the gasoline, suspend in the gasoline or sink to the bottom, which will lead to inaccurate measurement or no action response. The solution is to take the oil pump apart and check it.
Other manifestations of fuel gauge failure:
1.The fuel gauge shows high or low.
2.When driving, the fuel gauge shows instability and drifts up and down.
3.The fuel gauge shows that there is no movement.
The relationship between the height of the oil level and the actual amount of oil stored in the tank is not simply linear. If a fully fueled car is used for a period of time, the fuel level in the tank drops by half, and the float drops by half, that is, the pointer on the fuel gauge drops by half. But due to the irregular shape of the fuel tank, the car actually consumes more than half of the fuel.
This situation is mainly due to the fact that the volume of the lower half of the tank is much smaller than that of the upper half. When it is shown that it is halfway done, the actual amount of fuel left is already less than half, thus misleading the owner.
2.Steal gear size. Can be retrofitted on a fuel gun or fuel meter. The smaller the auxiliary wheel, the smaller the amount of one revolution, so the actual amount of oil is less. This is because the refueling amount is displayed on the display for every revolution of the drive gear of the fuel meter.
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I found that many of my friends don't know much about cars. For example, a friend recently asked: What happens after filling up the fuel meter?
I will give you a brief introduction below, so that you can have a better understanding of these automotive knowledge. Well, without further ado. Let's get down to business.
It may be that there is a problem with the oil level sensor, or it may be that the plug of the oil level sensor is loose.
In the tank there was a float to which a metal rod was attached, and to the tail of the metal rod was a variable resistor. The fuel gauge on the dashboard is controlled by the current of a variable resistor.
If the dipstick doesn't move after filling, the oil float or oil sensor may be faulty.
This malfunction phenomenon is commonly encountered in some classic cars. If this kind of problem occurs in the new car, you can immediately go to the 4S shop for repair or replacement parts.
If you use the tank for a long time, some dirt will accumulate. You can clean the fuel tank during maintenance.
Nowadays, the fuel tank used in automobiles is generally plastic, and this kind of fuel tank will not break even if it is hit.
Generally, the fuel tank is fixed under the rear seats, and the fuel tank of some cars is fixed in the middle of the vehicle, such as the Honda Fit ( check price |Detailed explanation of the model). The lower the fixed position of the fuel tank, the flatter the shape of the fuel tank, the lower the center of gravity of the vehicle, and the better the maneuverability of the vehicle.
In general, the engine fuel gauge points to the exact remaining fuel scale immediately after filling up the fuel. If the engine has been running for a while, the fuel sensor may also malfunction and need to be repaired.
After some fuel sensors fail, the entire fuel tank may need to be replaced. 2019
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