1. The spark plugs are the integral ignition system of your car used to receive the high voltage electrical current from the ignition coil.

3. As it is used to ignite the air and fuel mixture in the combustion chamber to prevent the serious issues in your car.

4. When you are driving your car, the ignition system occurs thousand times per minute in your car to keep it moving on the road.

5. If the spark plug of your car fails, then it causes rough idle as well as starting issues while driving your car.

6. To avoid the major malfunctioning issues in your car, you need to compile with the list of warning signs when your spark plugs are failing.

8. Find out the faulty spark plugs in your car from the sensation of engine misfiring and frequency of engine misfiring depends on how serious your misfire problem is.

9. Due to the engine misfiring issues, your car engine will not functioning smoothly, increase the exhaust emission, reduce the fuel economy and engine power.

10. A single misfiring of the engine in spark plugs can dump enough raw fuel into the exhaust and damage the catalytic converter.

12. The deteriorated spark plugs in your car can result in the decrease of its fuel economy due to the incomplete combustion process.

13. When the spark plugs of your car are wears out, the gap between the plug electrodes can either expands or close up.

14. These conditions can negatively affect your engine's fuel economy as well as the emissions of your car.

16. The poor acceleration of your car indicates the sign of a damaged spark plug. When you are engaging the gas pedal, it will show some delayed reaction.

17. In this situation when you are pushing down the gas pedal, it unable to boost the speed of the car immediately and will appear engine overworked.

18. The longevity of the spark plugs will depend on the current condition and the types of spark plug installed in your car.

20. The faulty spark plugs are often overlooked by the car owners and eventually cause different car troubles.

21. Many people do not aware of the truth that the worn spark plugs of their car can cause the starting issues.

22. The extremely bad spark plugs can affect the ignition system of your car and in harsh weather conditions prevent the engine from turning over.

24. If your car has a properly working spark plug that can sound smooth. But engine idling generally occurs when the engine is running and the car is stationary.

25. When the spark plugs do not working as they should be, then the engine will produce a rough and jittery sound can make the engine stumble.

26. Typically you will feel the vibrations throughout your car can lead to serious and costly damage to your car engine.

28. If you find the spark plug issues in your car, then it's better to consult with a reputed mechanic in your area.

29. The experts will diagnose your car spark plugs carefully and perform the necessary repair. If needed then they will replace it.

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