Signs of Evaporative Emission Control Canister Failure

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Signs of Evaporative Emission Control Canister
Failure
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There are various systems in a car which play an
active role in the emission control of the
vehicle and the evaporative emission control
canister is among them.
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The harmful gases can burn the nose, and can be
very dangerous if inhaled causing nausea,
headaches and breathing problems.
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The amount of fuel vapors that can escape from a
vehicle are strictly regulated, and the
evaporative emission control canister helps in
regulating the emission of fuel vapors.
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Fuel that evaporates into vapor is stored in the
charcoal canister for later use in the engine as
an important part of the air/fuel mixture.
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Let us discuss in detail about the evaporative
emission control canister and signs of its
failure.
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What is evaporative emission control canister?
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When fuel vapors are produced inside the fuel
tank due to evaporation, they are collected in
the charcoal canister, or evaporative emission
control canister.
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Then the engine control module sends the fumes
collected in the charcoal canister are purged
through a valve and sent into the engine to burn
as part of the air/fuel mixture.
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Dust debris from regular driving conditions can
accumulate in the emission control canister,
causing the purge and vent solenoids or valves to
malfunction.
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Moreover, the charcoal canister can crack either
due to impact or harsh environmental condition.
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If this occurs, raw fuel or fuel vapors are lost
into the environment around your vehicle, and a
noticeable fuel smell can occur.
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Here are the signs of evaporative emission
control canister failure-
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Illumination of check engine light
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The check engine light can illuminate for many
reasons but if the illumination is combined with
gasoline smell, then the evaporative emission
control canister has failed.
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You should immediately take your car for an
inspection to determine the exact cause for
illumination of the check engine light.
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Collapsed or leakage in fuel tank
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When the evaporative emission control canister
undergoes a serious failure, then in some cases
the gas tank can actually collapse.
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Moreover, when you are removing the gas cap and
experience a whooshing sound, then the issue is
related to the evaporative emission control
canister.
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Furthermore, if you are smelling raw fuel when
you are standing at the back of your car, then it
is a possibility that the evaporative emission
control canister has failed.
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Whenever, you notice these signs take your car to
an automotive repair shop to fix the issue
quickly as delaying it can worsen the problem.
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