White crystals produced after cylinder pulling of automobile engine.

Hello. It's piston cylinder powder And the big and small tiles are seriously worn, so it is necessary to replace the big and small tiles in the cylinder. If the engine has a lot of carbon deposits, directly overhaul and wash the oil circuit to see if the oil pump works normally. Thank you. It is recommended to maintain on time. 5000.6000 km oil change … Is the air filter clean? Happy cooperation, hello! If there is something wrong with the car, ask the car master. 4S shop professional technician, 10 minutes to solve.