Replacing spark plugs is usually better than cleaning them. Learn when cleaning might help, why replacement is safer, and how to choose the right plugs to avoid costly engine damage.
February 22 2026
Spark plugs typically last between 30,000 and 120,000 km depending on type and driving habits. Learn how materials, fuel quality, and engine design affect lifespan - and when to replace them in the UK.
February 15 2026
Spark plugs are essential for gasoline engines-even if your car seems fine. Ignoring them hurts fuel economy, risks engine damage, and can fail your MOT. Here’s when and why to replace them.
January 15 2026