How often do you change the spark plugs on a Citroen C3?

For a Citroën C3, spark plugs should typically be changed every 30,000 to 60,000 miles, depending on the specific engine type and driving conditions. It's always best to consult the owner's manual for the manufacturer's recommendations. Additionally, if you notice any performance issues, such as rough idling or reduced fuel efficiency, it may be wise to check the spark plugs sooner. Regular maintenance can help ensure optimal engine performance.