Secondly, the regular maintenance of the main systems of automobile engine (intake and exhaust system, fuel system, cooling system, lubrication system and ignition system) is introduced in detail.
Thirdly, the irregular maintenance (running-in maintenance and seasonal maintenance) of automobile engines is introduced.
Fourthly, introduce the misunderstanding and details of automobile engine maintenance, so that car owners can use their cars more reasonably.
Fifth, the overview of automobile maintenance, the significance of automobile engine maintenance and the experience in the research process are expounded.
Sixth, thank you.
Seven. refer to