Is the timing mechanism in the 2004 Mazda 3 operated by a belt or a chain?

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The 2004 Mazda3 comes with either a 2.0L 4Cylinder or a 2.3L 4Cylinder engine, both of which are equipped with a timing chain instead of a timing belt. Unlike a timing belt that needs replacement every 60,000 to 100,000 miles, the timing chain in the Mazda3 doesn't require frequent replacement unless it becomes stretched or fails completely. Timing chains are typically more durable as they are housed within the engine, offering more protection compared to timing belts that are external. In the event a timing chain needs replacement, the cost can range from $80 to $140. Opting for a timing chain over a timing belt can save you the hassle of frequent replacements.

Is the timing mechanism in the 2004 Mazda 3 operated by a belt or a chain?

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