Major Causes & Symptoms of a Bad Fuel Pump

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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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CAUSES
Broken wiring
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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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SYMPTOMS
Loud whining sounds
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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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