Symptoms of a Bad or Malfunctioning Throttle Body

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Symptoms of a Bad or Malfunctioning Throttle
Body
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The throttle body is an important piece of the
air intake system that controls the amount of air
flowing into the engine.
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The amount of air allowed in is a function of how
far the driver presses the accelerator pedal to
the floor.
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The throttle position sensor measures the
distance the accelerator pedal goes down and
relays this information to the car's main
computer.
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The position of the pedal along this range is
determined by the computer and then the amount of
fuel needed by the car is injected into the
system.
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Here are the causes of the throttle position body
malfunctioning.
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Dirt and debris inside the housing
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Dirt and debris can build up inside the housing,
causing an interruption in air and fuel flow.
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This is caused due to the obstruction caused by
the grime build up as the surface is not smooth
enough for the fuel air to flow.
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In an ETC system, the control module constantly
monitors the throttle body performance and if
there is an issue, the check engine light turns
on.
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Electrical issues
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Electrical connection problems can cause
inaccurate or intermittent information to be
relayed to the car's computer.
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As with any electrical connection, connectivity
issues can cause a wide variety of unpredictable
signals to be transmitted.
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In the case of the throttle body, inaccurate or
intermittent information is displayed on the
car's computer resulting in faulty corrections to
the air/fuel mixture.
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Vacuum leaks
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Vacuum leaks can disrupt the air/fuel flow due
to an imbalance of airflow, which can cause
throttle body pressure problems.
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The issue could also be related to an
incorrectly adjusted throttle stop.
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This component acts as a gate-keeper
establishes a minimum or maximum position for a
throttle body plate to be opened or closed.
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Poor or high idle
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When a throttle body malfunction, you will
experience very poor or low idle. This also
results in the car stopping abruptly.
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In the case of a vacuum leak, you will experience
a very high idle, which is caused by too much air
being allowed into the intake system.
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All of these symptoms will contribute to poor
engine performance and as a result, will cause
your check engine light to come on.
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Conclusion
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As a part of your regular service schedule,
include the air induction service and fuel
injection flush, which will clean out any dirt
and debris build-up.
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If you experience any of these above symptoms,
then immediately take your car to an automotive
repair shop.
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Preventive maintenance goes a long way in
ensuring that your car performs optimally and
stays clear of issues like this.
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