1. Clean the engine compartment. Remove the dust generated by the engine running and the sludge and dirt caused by the evaporation of the oil.
2. Rinse and dry with low-pressure water. Do not use high-pressure water guns when cleaning. For those vehicles that have a long service life and have not been able to maintain their wiring harnesses regularly, low-pressure water rinses should also be cautious. The safest method is to go to the maintenance point and use a professional the dust gun for cleaning.
