Phenomenon: engine oil and made the engine overhaul, replaced the valve, valve oil seal, piston, piston ring, connecting rod bearings and oil pump, the problem is solved. Two months later, for a time oil, the next day to start the car when the oil lamp alarm, oil filter filter oil spill.
     Maintenance: first consider whether it will be oil filter filter quality problems, re-replaced one. After the start of the car, still oil, oil pressure is clearly too large. When starting the car, the test oil pressure reaches 600kPa, exceeding the specified range. Check the lubrication of the oil channel, no clogging. Dismantling the oil pump, found this piece as inferior products. Replace the original machine pump, troubleshooting.