Improper selection of lubricating oil quality and use of engine oil with too high ash content lead to excessive carbon deposition in the cylinder and relatively increased compression ratio.
Because this oil has not been finely processed and refined, it has a lot of impurities, but it can burn. Finally, add decolorizing agent, and the black tire oil turns into a good diesel, which can't be seen by your eyes alone.
Check whether the induced draft hood and air protection belt are damaged. If damaged, the air volume passing through the cooling water tank will be reduced, resulting in too high water temperature, which must be replaced or repaired.
At the same time, check the free clearance of the shared push rod of the clutch slave cylinder and master cylinder, which is generally about 2-3mm. Feel a little gap.
Check that the fuel injection nozzle is normal, and there is no fault display after detection with the diagnostic instrument. And there is no sign of cylinder gasket damage, oil and water do not cross, and the water tank has no bubbles. The car owner ran a lot of places without solutions. He was very distressed.
