Reasons for reducing engine oil pressure

Wednesday, 09 March 2022 08:09
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There are various reasons for the drop in oil pressure in the engine. This diagnosis may be real or inaccurate when the sphygmomanometer shows a low oil pressure. But this warning reveals some of the most common reasons.

Even if at the time of oil changing periodically, enough oil filled in the engine, some oil may be consumed due to evaporation, burnout due to worn piston rings, or leakage of seals and drain screws.
When the viscosity of the oil is too high or too low. In the supply of engine oil, a drop in oil pressure is felt. Low viscosity produces less resistance when oil flows into the lubrication system, which the pressure gauge or sensor feels less pressure. Very high viscosity also produces high resistance during oil pumping, which reduces lubrication in the system and consequently reduces the pressure. In the engine, the viscosity of the oil is affected by the viscosity of the selected primary oil, the engine operating temperature, the collapse, and decomposition of the oil-optimizing additive, and contaminants such as glycol and soot. The car engine manual must determine the degree of viscosity of the proposed oil according to the design of the lubrication system equipment and the ambient temperature at which the car will be used.

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