The symptoms of a broken gasoline pump.
The cause of automobile gasoline pump failure .
The reasons for the failure of automobile gasoline pump mainly include the following points:
fuel quality problem : the use of substandard or more impurities of fuel will reduce the life of the oil pump, resulting in damage to the oil pump.
gasoline filter has not been replaced for a long time : the gasoline filter oil supply system is seriously blocked, affecting the oil pump, so that the oil pump is under load for a long time, resulting in damage.
mechanical failure : such as gasoline pump check valve damage, centrifugal pump impeller wear, rotor stuck, etc. These mechanical failures will affect the supply of fuel, resulting in the oil pump can not work normally.
Automobile gasoline pump failure solution
For automobile gasoline pump failure, the following solutions can be taken:
Replace fuel filter : Check and replace the gasoline filter regularly to ensure that the fuel supply system is unimpeded.
Use of high quality fuel : Choose reliable quality fuel, avoid the use of more impurities of fuel.
Check and replace the gasoline pump : if the gasoline pump has serious faults, such as damage to the check valve, impeller wear, etc., it is necessary to check and replace the gasoline pump in time.
repair or replace related parts : for oil pump problems caused by mechanical failure, such as rotor stuck, need to repair or replace related parts.
To sum up, regular maintenance and inspection of the automobile fuel system, the use of high-quality fuel, is an important measure to prevent gasoline pump failure. Once the gasoline pump is found to have fault symptoms, it should be inspected and repaired in time to ensure the normal operation of the vehicle.
What are the symptoms of insufficient gasoline pump pressure
01 Vehicle acceleration is weak
The vehicle acceleration is weak, especially in the rapid acceleration will appear frustration. This symptom is usually caused by insufficient pressure in the gasoline pump. When the gasoline pump does not provide enough fuel pressure, the engine is affected when it needs more power, resulting in a stalling sensation when accelerating. This not only affects the driving experience, but can also adversely affect vehicle performance and safety. Therefore, once this symptom is found, the gasoline pump should be checked and repaired in time.
02 Engine failure light of vehicle combination instrument is steady on
The engine failure light on the vehicle combination instrument is a clear symptom of insufficient gasoline pump pressure. The fuel pump plays a fundamental role in the fuel supply system of the engine, which is responsible for extracting fuel from the tank and transporting it to the engine at a certain pressure. When the pressure of the gasoline pump is below the normal range, the vehicle will warn the driver through the engine failure light. The normal fuel pressure should be about 0.3MPa when the ignition switch is turned on but the engine is not started, and the pressure should be about 0.25MPa when the engine is started and at idle. Therefore, when the engine failure light continues to light, you should check whether the pressure of the gasoline pump is normal.
03 Startup Difficulty
Difficulty starting is a clear symptom of insufficient pressure in the gasoline pump. When the pressure of the gasoline pump is insufficient, the vehicle may encounter difficulties when starting, which is manifested as the delay in starting the car. This difficult starting situation is usually related to the pressure of the gasoline pump, because a lack of pressure can lead to a lack of fuel supply, which affects the normal starting of the engine.
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