関連ワード:  what is a 1.5 l dohc engine    1.5 l dohc engine problems    1.5l dohc engine reliability    1.5 l dohc engine chevy equinox    1.5 l dohc engine review    1.5l dohc meaning    is dohc engine good    what is the difference between 1.5 l and 2.5 l engine