2. If the gasoline in the engine cylinder explodes then it changes the timing of the ignition system.

3. During the internal combustion process, the detonation of the engine generally occurs and referred to engine knocking.

4. When your car engine is turned on and the detonation occurs, then the knock sensors will detect the vibrations in your car.

5. Then it will send a voltage signal to the powertrain control module to alter the timing of the ignition and prevent the engine detonation.

6. If the knock sensor of your car got damaged then it will provide some noticeable warning signs in your car.

7. Here are the common warning signs of a bad knock sensor that you should always look out for on time. Loud noise Poor performance Warning lights Low fuel mileage

8. Loud noise

9. When the knock sensor of your car starts to malfunction, you will definitely hear loud noises coming from the engine.

10. The thumbing sounds of your engine will louder if you don't fix the problems for a longer time period.

11. Due to the ignition of the air and fuel mixture inside your engine cylinders are the reason of this noises.

12. Poor performanc e

13. When the engine of your car started to get damaged and you don't replace the bad knock sensor, then your car increasingly jerks and drag around.

14. Then the burning smells coming from your engine and getting into the cabin of your car.

15. If you are driving your car in this conditions, then it could destroy your entire engine and take thousands of dollars to replace it.

16. Warning lights

17. For many reasons the warning lights of your engine will come on, the bad knock sensor is the common among them.

18. Warning lights of the engine due to bad knock sensors would be illuminating on your dashboard and lead to many serious issues.

19. If you are ignoring the warning light issues of your car for a longer time, then it can put a devasting effect in your engine.

20. Low fuel mileage

21. There are many reasons are also responsible for the lower fuel mileage of your car, but the knock sensor is another one.

22. If you find out that your car is getting low fuel miles per gallon, then it concludes that your car has a bad knock sensor.

23. If you notice any of the above-mentioned warning signs with low fuel mileage in your car then it proves that the knock sensor is damaged.

24. Last words

25. The defined warning signs will help you to prevent the damages arises in your engine that goes through a pre-ignition process.

26. Inspect the knock sensors of your car on time and replace it by a reputed mechanic before it gets worse and damages the engine completely.

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