Why is the Knock sensor of the Car is Malfunctioned Unexpectedly

1
WHY IS THE KNOCK SENSOR OF THE CAR IS
MALFUNCTIONED UNEXPECTEDLY?
2
Knock sensor identifies the high-frequency engine
vibrations of knocking.
3
Main aim of the sensor is to obtain maximum
energy yield by starting the ignition.
4
Engine with a knock sensor can reduce fuel
consumption and increase torque.
5
Due to unfavorable conditions, the knock sensor
can be damaged unexpectedly.
6
Go through the following causes behind the
damaged knock sensor in the car.
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LOW-QUALITY FUEL
8
Higher octane rating fuel has a higher resistance
to compression ignition.
9
Using the low quality or low octane rating fuel
will cause engine knocking issues.
10
FAILED ECU CALIBRATION
11
Sometimes an ECU is running the engine too lean
or with advanced ignition timing.
12
When these situations are taken to an extreme, it
will cause engine knock issues.
13
HIGH CONSUMPTION OF TEMPERATURE
14
Outside heat makes the intake air less dense and
increases the probability of knock.
15
It increases the risk of combustion before the
cylinder is ready to ignite the mixture.
16
CARBON BUILDUP
17
Carbon deposits in the car engine can ignite fuel
unevenly when it builds upon the
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• VALVES
• PISTONS
• CYLINDER WALLS

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Eventually, the carbon build-ups will cause knock
sensor issues in the car.
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CONCLUSION
21
Knock sensor of the car can be damaged for
numerous reasons.
22
Take proper care of the knock sensor for
preventing the unexpected damages in the car.
23
THANK YOU
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