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I know a guy that went 40,000 mi never changing the oil on a brand new Mazda 3. Eventually the engine started to fail. Amazingly Mazda replaced the engine for h

I know a guy that went 40,000 mi never changing the oil on a brand new Mazda 3. Eventually the engine started to fail. Amazingly Mazda replaced the engine for him, but cancelled his warranty after that. He sold Mazda's for a living and literally had no idea the oil needed to be changed....

sizzle 5y ago
Wow that’s crazy, I tell my gears getting sluggish when they shift after ~5k miles but I drive aggressively and floor it often.