What is a good motor oil, and what is the right motor oil for your car?
1. Good fluidity at low temperatures, and excellent cold start lubrication protection performance;
2. High temperature protection performance is not reduced;
3. Excellent performance in cleaning carbon deposits and sludge;
4. Lo...
1. Reasons related to lubricating oil:
(1) Insufficient lubricating oil in the oil pan, inappropriate lubricating oil grade or too low viscosity;
(2) Poor anti-foaming performance of lubricating oil, causing a large amount of air to mix into the oil circuit;
(3) The oil pump diaphragm ruptures and g...
