What are the Signs of a Failed Knock Sensor in the Car

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WHAT ARE THE SIGNS OF A FAILED KNOCK SENSOR IN
THE CAR?
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Different types of sensors located in the bay of
an engine monitor a lot of things which are
analyzed by the ECU to stabilize the performance
of the engine.
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Timing is an important factor in the combustion
process and incorrect timing could make knock
sound or vibration in the engine.
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The primary job of a knock sensor is to detect
such minute vibrations or sound in the engine
which could trigger major mechanical problems in
the car.
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Piezoelectric element used in the knock sensor
could monitor the frequency of knock or vibration
in the engine.
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Failure of knock sensor might have disastrous
consequences.
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So, signs of a failed knock sensor should not be
overlooked.
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SIGNS OF A FAILED KNOCK SENSOR
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THE APPEARANCE OF THUMPING SOUND
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As mentioned earlier, the timing of ignition is
an important aspect of the internal combustion.
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Incorrect timing of ignition might generate
minute vibrations which could be detected by a
knock sensor.
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However, an abnormal knock sensor could not do
its job as a result of which the problem could
worsen over time and could generate thumping
sound.
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CHECK ENGINE LIGHT COMES ON
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A lot of mechanical and electrical problems might
trigger the illumination of the check engine
light.
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Malfunctions in the knock sensor might trigger
the check engine light illumination.
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So, the condition of the knock sensor should be
evaluated after a certain time interval to detect
and fix the problems.
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LOSS OF ENGINE POWER OUTPUT
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Incorrect timing of ignition negatively affects
the power output of an engine.
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Knock sensor could detect the problems in time
and thus prevents any major mechanical failure in
the car.
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However, a failed knock sensor could not detect
such problems in time which could adversely
affect the power output of an engine.
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BAD FUEL ECONOMY
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Errors in the knock sensor might also be
indirectly responsible for a higher rate of fuel
consumption.
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So, efforts should be made to fix such problems
in time.
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BOTTOM LINE
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Knock sensor plays a crucial role by monitoring
the vibration frequency in an engine.
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Failure of such types of sensors might have
catastrophic outcomes and thus efforts should be
made to fix such problems in time.
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Signs of such kinds of malfunctions should not be
neglected.
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The condition of the knock sensor should be
evaluated after a certain time interval.
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