How often to replace spark plugs 2001 cavalier 2.4l?

For a 2001 Chevrolet Cavalier with a 2.4L engine, it's generally recommended to replace the spark plugs every 100,000 miles under normal driving conditions. However, if you notice symptoms like rough idling, decreased fuel efficiency, or difficulty starting, it may be wise to check or replace them sooner. Always refer to your owner's manual for specific maintenance recommendations and intervals.