The knock sensors are designed to detect unplanned knocking sounds from the engine. And if the knock sensor is not doing its duty, the check engine light gets illuminated. You will also get to hear loud noises from your car. Here are more signs of a failing knock sensor in a car.

1. What are the Signs
Associated With a
Failing Knock Sensor

2. Engine knock, pre-ignition & pre-
detonation are explosions in the
combustion chamber.

3. Engine knock is only harmful
when it occurs at high loads.

4. These knock sensors are
designed to detect these
unplanned explosions.

5. Here are the signs of a failing
knock sensor in your car.

6. Illumination of engine
warning light

7. One of the first signs you will
notice is the illumination of
warning light.

8. You should get the vehicle
inspected when you see the
warning light on the dashboard.

9. There can be many reasons
behind the illumination of the
warning light.

10. You shouldn’t ignore the warning
light & get your car inspected.

11. Abnormal noise

12. When the knock sensor
malfunctions, you will get to
hear loud noises from your car.

13. The longer you take to fix
the problem, the louder
those noises will become.

14. The noise occurs due to the
ignition of the air and fuel
mixture inside the cylinder.

15. When the mixture reaches
the combustion point it
explodes.

16. Poor engine
performance

17. Poor acceleration is a sign of a
failing knock sensor in your car.

18. The worst sign is when the
internal engine components
become damaged.

19. You will also experience a
burning smell coming from the
engine of your car.

20. The fuel economy of your car
will also reduce drastically.

21. These are the signs associated
with a failing knock sensor in
your car.

22. Take your car to a certified
repair shop to get the knock
sensor replaced.

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