Replacing Fuel Pump in a Daihatsu Hijet & When To Do It

One of the most loved mini trucks is the Daihatsu Hijet. This vehicle is popular among the Japanese because of its unbelievable capabilities. Its ability to perform roles similar to a standard-sized pickup truck, yet its small engine capacity, classifies it as a legendary mini truck. Due to its capabilities, the love for Daihatsu Hijet has spread worldwide. Thanks to the Japanese car dealers. This vehicle requires regular check-ups and maintenance for it to serve you better. Monitoring the fuel pump is essential. Here, we will be looking at when you need to be replacing fuel pump in a Daihatsu Hijet mini truck.

The Functioning Of a Fuel Pump In a Vehicle

Have you ever asked yourself how the fuel gets to the engine yet the fuel tank is not in the engine? The fuel pump facilitates fuel movement from the tank to the engine’s combustion chamber. It provides the pressure that pushes fuel to the fuel injectors and ensures a regular fuel flow to the combustion chamber. The fuel pump only works better when it is in good condition. 

Purpose of a Fuel Pump

The fuel pump plays the role of pumping fuel from the fuel tank to the fuel injectors. As they pump, they generate adequate pressure to transmit fuel through the pipes. The engine cannot generate pressure to suck fuel from the tank to the injectors, which is why a fuel pump is required.

The Engine Electronic Control Unit does the role of controlling the modern fuel pumps. The fuel pump is vital as it generates the necessary pressure and wears out with time making it faulty.

Signs of a Faulty Fuel Pump

When you need to be replacing fuel pump in a Daihatsu Hijet mini truck? The Hijet will most likely some signs when the fuel pump malfunctions. This guide looks at some common signs your mini truck will show.

Noise Coming From the Fuel Tank

The fuel pump produces a typical sound that should not worry you. If the noise persists and becomes loud, the Daihatsu Hijet is trying to communicate that there is a problem with the fuel pump. The fuel tank can make noise when the fuel is contaminated or the fuel levels have gone down. 

The Hijet Mini Truck Becomes Hard to Start

When starting your mini truck becomes a nightmare is an indication that there is a problem with the fuel pump. As you try to ignite the mini truck, the ignition process will not be complete because there will be less or no fuel to burn in the combustion chamber.

The Hijet Mini Truck is likely to Stall

When the engine receives little fuel, it will go off unexpectedly while in motion. This might embarrass you when driving on a busy highway. If your Hijet experiences this, there are high chances that the fuel pump is faulty.

The Mini Truck Becomes Less Powerful

If you realize that the engine power of your Daihatsu Hijet goes down when you are going up a hill or carrying a load, it’s an indication that the engine might be receiving less fuel to burn. In this case, check the condition of your fuel pump.


The engine that Daihatsu Hijet uses is very senstive. To make it increase its lifespan, pay attention to the warnings it might be sending. A faulty fuel pump, if ignored, might destroy the entire engine.

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