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What Does Your Fuel Pump Do?

images-302.jpgCars need fuel pumps because the gas tank is on the opposite side of the car than the engine.  The purpose of the fuel pump is to bring the fuel to the engine.

Fuel pumps come in two varieties.  Vehicles that have electronic fuel injection systems use electrical fuel pumps.  Carbureted vehicles have mechanical fuel pumps.

The carburetor delivers fuel through a vacuum.  Here, the vacuum that brings the mixture of air and fuel to the engine also draws the gas along lines to the engine.  But, extra help is needed, so engines that are carbureted have a fuel pump that is mechanical.  This pump is located next to the engine of the vehicle.

Electronic fuel injection is a system of delivery in which gas is squirted into the chambers of the engine.  The fuel pump is next to, or inside of the gas tank.

Cars with electronic fuel injection typically don’t have the fuel pump fail.  However, when it does, the car will start to sputter and eventually die.  In addition, it won’t start back up.  Just in case this happens, make sure you have a road service program to assist you.  You never want to be stranded on the side of the road.  Also, an auto warranty will ensure that you don’t have unnecessary repair expenses down the road.

Posted on Saturday, February 27th, 2010 at 6:29 pm In Auto Warranty  


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