Main Symptoms
1. Abnormal Oil Pressure: The oil pressure warning light on the dashboard illuminates, or the oil pressure gauge reading is too low/too high.
2. Engine Noise: Insufficient lubrication of internal components produces metallic knocking sounds or abnormal noises.
3. Engine Overheating: Poor lubrication leads to decreased heat dissipation efficiency and increased coolant temperature.
4. Oil Leaks: Inspect the engine compartment or chassis for oil stains or traces.
5. Other Symptoms: Unstable idling, weak acceleration, abnormally increased fuel consumption.
Simple Self-Check Methods
1. Visual Inspection: Check the oil can and connecting pipes for cracks, looseness, or oil stains.
2. Listen for Sounds: Gently shake the oil can; if there is an abnormal noise, internal parts may be damaged.
3. Professional Testing: Use an oil pressure gauge to check the actual pressure, or read the data stream using diagnostic equipment.
Recommendations:
1. If damage is suspected, it is recommended to have the engine inspected at a professional repair shop as soon as possible to avoid further damage.
2. Regular maintenance (such as changing the oil filter every 20,000-30,000 kilometers) is key to prevention.
