3 Problems With The Fuel Pump Relay: Solutions And More

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Vehicles depend on a gasoline supply system to maintain an adequate level of engine fuel. This system consists of components such as the gas tank, fuel filter, fuel pump, and fuel pump relay. The fuel pump relay, a device typically mounted under the dash that turns the fuel pump on and off, can develop faults that adversely affect vehicle operation. Read on and learn what are the problems with the fuel pump relay that can have a car.

Problems with the fuel pump relay

The problems and inconveniences with the fuel pump relay that a car can have are the following:

1- Lack of boot start

If the fuel pump relay is faulty or deteriorated, it may not activate the fuel pump when the key is turned to the “startThis can result in the engine cranking but not being able to get the vehicle to start. Replacing the faulty fuel pump relay usually fixes this kind of problem.

2- Delayed start

A fuel pump relay malfunction can take longer than normal to activate the fuel pump. This causes a delay in starting the engine and possible erratic operation of the engine after starting.

3- Silent fuel pump

Fuel pumps make a humming noise during operation. A pump that does not work, as a result of a fuel pump relay failure, remain silent. A driver with a trained ear can often notice a lack of pump noise during engine cranking, which can help lead you to the underlying problem.

You can read: The Steps To Properly Test A Fuel Pump

Vehicles depend on a gasoline supply system to maintain an adequate level of engine fuel. This system consists of components such as the gas tank, fuel filter, fuel pump, and fuel pump relay. The fuel pump relay, a device typically mounted under the dash that turns the fuel pump on and off, can develop faults that adversely affect vehicle operation. Read on and learn what are the problems with the fuel pump relay that can have a car.

Problems with the fuel pump relay

The problems and inconveniences with the fuel pump relay that a car can have are the following:

1- Lack of boot start

If the fuel pump relay is faulty or deteriorated, it may not activate the fuel pump when the key is turned to the “startThis can result in the engine cranking but not being able to get the vehicle to start. Replacing the faulty fuel pump relay usually fixes this kind of problem.

2- Delayed start

A fuel pump relay malfunction can take longer than normal to activate the fuel pump. This causes a delay in starting the engine and possible erratic operation of the engine after starting.

3- Silent fuel pump

Fuel pumps make a humming noise during operation. A pump that does not work, as a result of a fuel pump relay failure, remain silent. A driver with a trained ear can often notice a lack of pump noise during engine cranking, which can help lead you to the underlying problem.

You can read: The Steps To Properly Test A Fuel Pump

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