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What are the reasons for a motorcycle fuel pump not working?

1 Answers

DiKylie

07/25/2025, 03:43 AM

Motorcycle fuel pump not working may be caused by damage to the fuel pump, poor contact or open circuit in the fuel pump wiring, insufficient gasoline in the tank, clogged fuel lines or fuel filters preventing fuel flow, or vacuum formation in the fuel tank making it difficult to deliver fuel. If it's the oil pump that's not working, check whether the pump itself is damaged, whether there are issues with the pump drive mechanism (such as the oil pump gear or chain), whether the oil filter screen or filter element and oil passages are clogged, or whether the oil level is too low. Below are the functions of car preheating in winter: Functions of preheating: Reduces engine wear and checks whether the car's fuel system, electrical system, cooling system, and mechanical transmission are functioning normally. Reasons for preheating: After a car has been parked for a long time, the engine oil flows back to the oil pan at the bottom of the engine, leaving the upper part of the engine without lubrication. It takes about 30 seconds after starting for the oil pump to circulate oil to the parts of the engine that need lubrication the most, such as the pistons, connecting rods, and crankshaft.

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What speed should be maintained when visibility on the highway is below 50 meters?

When visibility is less than 50 meters, the vehicle speed must not exceed 20 kilometers per hour, and the driver should exit the highway from the nearest exit as soon as possible. When driving on the highway under low visibility weather conditions such as fog, rain, snow, dust, or hail, motor vehicles must comply with the following regulations: 1. When visibility is less than 200 meters: Turn on fog lights, low beam headlights, clearance lights, front and rear position lights, and the speed must not exceed 60 kilometers per hour, maintaining a distance of more than 100 meters from the vehicle ahead in the same lane; 2. When visibility is less than 100 meters: Turn on fog lights, low beam headlights, clearance lights, front and rear position lights, and hazard warning flashers, and the speed must not exceed 40 kilometers per hour, maintaining a distance of more than 50 meters from the vehicle ahead in the same lane; 3. When visibility is less than 50 meters: Turn on fog lights, low beam headlights, clearance lights, front and rear position lights, and hazard warning flashers, and the speed must not exceed 20 kilometers per hour, and the driver should exit the highway from the nearest exit as soon as possible.

How Long Does a Wheel Alignment Take?

A wheel alignment typically takes about half an hour to complete, though the exact time required depends on the actual condition of the vehicle. Here is some information about wheel alignment: 1. Performing a wheel alignment ensures good driving performance and improves reliability to a certain extent. The principle is based on the standard values of the original factory's relative wheel position parameters, adjusting and restoring the alignment of the four wheels. 2. Depending on tire usage, chassis condition, and alignment status, it is recommended to check the wheel alignment every six months. If the angles have exceeded the standard allowable range, adjustments or part replacements should be made to restore normal angles.

Does Replacing the Fuel Pump Affect the Car?

Replacing the fuel pump does affect the car. The impacts of replacing the fuel pump are as follows: 1. When the pump core is damaged, the fuel supply system will not function properly. In this case, turning the ignition key will not produce the sound of the fuel pump operating; 2. If the pump body is damaged, due to pressure leakage, the fuel pressure cannot reach the specified value, leading to poor fuel atomization and preventing the engine from starting; 3. Do not wait until the fuel warning light comes on before refueling, as the fuel pump relies on gasoline for cooling. When the fuel level is too low, it cannot effectively dissipate heat, which reduces the pump's lifespan.

What does it mean when the snowflake light on the vehicle dashboard is on?

The snowflake indicator light on the vehicle dashboard indicates that the outdoor temperature is quite low, reminding the driver that there may be frost on the ground. Here are some precautions for driving in frost conditions: 1. When frost appears on the ground, tire grip will deteriorate, and drivers need to drive carefully. The vehicle's onboard computer display can show the outside temperature, a function achieved through a temperature sensor fixed on the front bumper. The temperature sensor on the front bumper is usually positioned quite low. When the snowflake symbol on the dashboard lights up in winter, drivers should reduce their speed and maintain a sufficient safe distance from the vehicle ahead to prevent emergency braking. 2. If there is frost on the ground, emergency braking can easily cause the car to skid and lose control. In winter, when tire temperatures are quite low, it is advisable to drive at reduced speeds. In cases of extremely severe weather conditions, it is recommended not to drive.

What is the difference between 92 and 95 gasoline for cars?

There are mainly the following differences between 92 and 95 gasoline for cars: 1. The proportion of isooctane in 95 gasoline is slightly higher than that in 92 gasoline; however, the proportion of n-heptane in 92 gasoline is higher than that in 95 gasoline. 2. Isooctane indicates better anti-knock performance, so 92 gasoline has a much higher probability of causing knocking compared to 95 gasoline. 3. Different anti-knock properties are suitable for engines with different compression ratios. High-compression engines should use 95 gasoline; low-compression engine vehicles can use 92 gasoline.

What to Do When There's Abnormal Noise from Tires While Turning?

Here are the specific reasons for abnormal noise from tires when turning: 1. Excessive accumulation of debris on the fenders or sound insulation pads of the front wheels. When the car turns, the tires interfere with the debris, causing abnormal noise. The noise disappears after cleaning the fenders. 2. Loose or fallen fastening screws of the fenders or sound insulation pads, causing them to lift. During turns, the front wheels interfere with and rub against these components, producing abnormal noise. It's necessary to inspect the fastening condition of the fenders and sound insulation pads and eliminate factors like looseness or lifting. 3. Unauthorized modification of car tires, replacing them with non-original size tires. For example, widening the tires or increasing their diameter can cause interference between the tires and the car body at certain positions during turns, resulting in noise. This poses significant safety hazards, and the tires should be replaced with original size ones.

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