Spark plugs are very vital part in a car’s electrical system. To keep an excellent fuel efficiency and power in the car’s engine, your spark plugs should always be in good condition. Below are symptoms of failing spark plugs:
- Your vehicle is hard to start, especially on cold mornings.
- Slow response when you step on the gas pedal, usually your car does not accelerate as quickly as it used to.
- You might observe a decrease in gas mileage. This means you need to gas up more often than used to be.
- Your engine sounds rough, this means the motor is not running smoothly on all cylinders and fuel ignition is not efficient in one of the cylinders.
- You equally notice engine combustion problems. Usually, failing spark plugs make the flow of electrical current to become erratic and uneven. Sometimes, the electric current flow is normal and sometimes the flow is abnormal.
To avoid spark plug failing in the future, you should replace them before it wears out. Ideally, you should replace spark plugs every two years if you drive vehicles that make use of electronic points. If you own older models that have contact breaker points, spark plugs should be replaced every yearly.