The spark plug produces a spark that ignites a compressed mixture of petrol and air. In other words, it functions as a lighter.
Misfiring or abnormal sparking could occur if the spark plug is worn or fouled. These effects could lead to a decrease in torque and an increase in fuel consumption. Moreover, overheating of the spark plug causes abnormal combustion, which can lead to engine damage.
- Replace the spark plug to avoid the following
- Guideline for periodic inspection (whichever is earlier).
- Every time the vehicle covers a distance of 30,000km or every 2 years.