Mazda CX-5 Today we will look at the 100,000 kilometers of Mazda Carbon deposits inside the engine It's relatively clean. Mazda CX-5 Today we look at the carbon deposit inside the 100,000-kilometer Mazda engine is relatively clean. Mazda CX-5 Today we look at the carbon deposit inside the 100,000-kilometer Mazda engine is relatively clean. Mazda CX-5 Today we look at the carbon deposit inside the 100,000-kilometer Mazda engine is relatively clean. Mazda CX-5 Today we look at the carbon deposit inside the 100,000-kilometer Mazda engine is relatively clean. Mazda CX-5 Today we look at the carbon deposit inside the 100,000-kilometer Mazda engine is relatively clean.