Common Causes of Fuel Pump Failure

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In last week’s article, we discussed why low fuel in the tank can lead to premature failure of the fuel pump. In this article, we will look at a few other possible causes. In modern vehicles, an electric fuel pump is used, which is located in the fuel tank. Due to the complexity of the pump and the difficulty of access, replacement can be very expensive. With a small amount of care, the failure of the fuel pump is often preventable! How it works Early fuel pumps were replaceable, separately from the level sensor and pickup tube. More modern designs employ a fuel pump module. The fuel pump module consists of a fuel pump, internal wiring, anti-drain-back valve and a strainer. A sender unit sends a signal to the fuel level gauge to show the fuel level in the tank. They may also include a fuel filter, as part of the module. These fuel pump modules are