Spark plugs are now timed with on-board computers. This has eliminated the need for regular tune-ups…but you still need to change your spark plugs regularly. Most manufacturers recommend changing spark plugs every 48,000 or 64,000 km to ensure good fuel mileage and engine performance.

You’re in luck if your car can be fitted with long-life plugs (double platinum plugs) that can last for 160,000 km. Otherwise, it’s recommended to make the switch after 48,000 km. Spark plugs aren’t expensive. But the extra pick up can give you the satisfaction you’re deprived of while firing off with old, dirty spark plugs.

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