The spark plugs are one of the most important components of your vehicle. They provide a spark to the internal combustion engine to get it started. If your spark plug malfunctions, then it will be impossible to start your car. Due to the nature of their work, the spark plugs wear out in due course of time. Like every other electrical component in your car, the spark plugs also exhibit certain symptoms when they start to go bad. Go through the slide to know more about the bad spark plugs.

1. Things to Know About Bad
Spark Plugs

2. A spark plug is an essential
component of an internal
combustion engine as it is
responsible for the spark which
ignites the air-fuel mixture.

3. It helps in the uninterrupted
movement of the car, good
combustion, low discharge of
gases, improved fuel economy
and performance.

4. Faulty spark plugs can lead to
severe problems in cars and in
the worst case will not allow
the engine to start.

5. The spark plugs do wear out
over time, although the actual
lifespan varies depending on
the usage and type of the plug.

6. Signs of a bad spark plug:
Here are some of the common signs to look after for detecting a bad
spark plug at an early stage and avoid any potential damage to the engine.

7. 1
3
2
Reduced performance
Poor fuel economy
Engine issues

8. Reduced performance

9. Look out for carbon deposits
or marks of fuel on the plug as
they obstruct the functioning of
the spark plug and the plug
needs to be restored.

10. Poor fuel economy

11. The car starts to consume more
fuel as the fuel gets wasted
when the car fails to receive
the right amount of spark at
the right time.

12. Engine issues

13. The biggest indicator of a bad spark
plug is the stalling of the engine
and sudden drop in the
acceleration more often while
driving.

14. Reasons for spark plug wear out

15. There are several factors that
play a major role in
determining the lifespan of the
spark plugs.

16. Generally, the spark plugs wear
out over time due to aging, but
still, it may get damaged earlier
due to the following reasons.

17. 1
3
More vibration
Excess heat
Oil leaks
2

18. More vibration

19. Constant wear and tear caused
by the engine vibration can
loosen the electrical connection
at the spark plug.

20. This causes an increase in the
voltage required to fire the
spark plugs which may damage
the ignition coil and the spark
plug wires.

21. Excess heat

22. The engine heat can burn the
wire insulation and boots and
disrupt proper spark plug wire
seating and performance.

23. The wire insulation, which is
damaged by heat can allow
voltage to jump and overheated
spark plugs can cause the
electrode to wear faster.

24. Oil leaks

25. When leaked oil seeps on to
the spark plug, the tip gets
contaminated and creates
damage and additional wear.

26. Carbon buildup on the tip due
to dirty injectors or a clogged air
filter can also cause premature
failure of the spark plug.

27. Benefits of replacing a bad spark plug

28. The primary benefit of
replacing a bad spark plug with
a new one is that you get rid
of the starting problems.

29. New spark plugs provide a lot
of other performance benefits
such as-

30. 1
3
2
Optimal combustion
Better fuel economy
Less harmful exhaust

31. Optimal combustion

32. The new spark plugs perform well
and help to have a fully
functioning combustion system by
sorting out the performance issues.

33. Better fuel economy

34. Bad spark plugs can reduce the fuel
efficiency and should be replaced at
specified intervals to allow the car
deliver better fuel economy.

35. Less harmful exhaust

36. Regular engine tune-ups and
change of spark plugs results in
cleaner emissions and help to
reduce air pollution.

37. THANK YOU!
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