The frequency of replacing ignition coils depends on several factors such as the make and model of the vehicle, the quality of the coils, driving conditions, and maintenance practices. On average, ignition coils can last between 60,000 to 100,000 miles (96,000 to 160,000 kilometers). However, there are cases where they may fail prematurely and need replacement earlier. It's best to consult your vehicle manufacturer's recommendations and seek professional advice if you suspect any issues with your ignition coils.
The lifespan of ignition coils can vary depending on several factors such as the make and model of the car, driving conditions, and maintenance habits. However, on average, ignition coils tend to last around 100,000 to 150,000 miles or 7 to 10 years. It is recommended to follow your vehicle manufacturer's guidelines and schedule regular inspections and maintenance for the ignition system. If you notice any signs of ignition coil failure such as misfires, rough idling, decreased fuel efficiency, or difficulty starting the car, it is advised to have them replaced as soon as possible.