Major Causes & Symptoms of a Bad Fuel Pump

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Category: Others/ Misc
     
 

Presentation Description

The fuel pump functions to supply the fuel from the tank to the engine. This ensures proper combustion of the fuel in the cylinders of your car. A bad fuel pump may be caused due to broken wires or a blocked fuel filter. And some of the common symptoms are loud whining sound and starting problems. See the given slideshow to know all about the major causes & symptoms of a bad fuel pump.

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Presentation Transcript

Slide1:

Major Causes & Symptoms of a Bad Fuel Pump

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The fuel pump is commonly regarded as the heart of the car as it functions to supply fuel from the fuel tank to the engine as a human heart pumps blood to the whole body.

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The fuel pump is responsible for delivering fuel from the gas tank to the engine at the appropriate pressure required to meet the performance demand of your car.

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Some minor issues with the fuel pump can lead to major driving and operational problems.

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Here are some of the major causes & symptoms of a faulty fuel pump.

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Broken wiring CAUSES

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In newer cars, mostly electric fuel pumps are used which are placed inside the fuel tank and depends on the battery for functioning.

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Any problem in the wiring channels, lead to alteration in the current or voltage flow from the relay to the pump. This may seriously affect the motor of the pump.

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Blocked fuel filter

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A fuel filter is necessary to prevent dirt and other debris from clogging a car's fuel delivery system.

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A blocked fuel filter leads to low pressure and reduces the flow of fuel in the fuel pump, which severely affects the engine performance.

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Low fuel level

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When you drive your vehicle with low fuel level, results in heating up the fuel tank much faster and eventually overheating the fuel pump.

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Also in cold weather, low fuel level leads to oxidation of the fuel tank to form rust. This rust gets ingested into the pump, causing its failure.

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Loud whining sounds SYMPTOMS

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A typical fuel pump produces a much quieter sound, during normal operation.

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Inspection of the pump should be carried out, when such strange sounds occur to prevent it from more serious damage.

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Starting problems

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A weak fuel pump is unable to provide the fuel to the engine at the required pressure and volume, which give rise to difficulty in starting of your car.

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This forces the vehicle to take more cranks to start than normal and in some serious cases, it even fails to start.

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Reduced fuel efficiency

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The fuel pumps have a relief valve that controls the amount of gas to be channelized to the engine.

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Failure of the valve leads to overflow of gasoline in the engine which directly affects the fuel economy of your car.

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