How Often To Change Spark Plugs? Complete 2026 Maintenance Guide
May 18, 2026 FLEX Automotive
Whenever someone asks me, “How often to change spark plugs?”, I always tell them this: spark plugs may be tiny, but they control the absolute heartbeat of your engine. Your acceleration, fuel economy, and engine smoothness—all of it depends on how healthy those plugs are. I’ve seen people neglect them for years, only to wonder…
