What Happens If Diesel Engine Oil is Added to a Gasoline Engine?
1 Answers
Adding diesel engine oil to a gasoline car can cause engine knocking, stalling, and even cylinder scoring. Detailed explanations are as follows: 1. The working conditions of gasoline engines differ from those of diesel engines: Gasoline has a lower ignition point, and gasoline cars typically ignite the air-fuel mixture via spark plugs, resulting in lower cylinder pressure. In contrast, diesel cars compress diesel fuel using a high-pressure fuel pump, injecting it into the cylinder through a fuel injector, leading to higher cylinder pressure, rougher operation, and larger component clearances. 2. Diesel and gasoline engines vary significantly in performance, structure, and operating conditions: Diesel engines have a much higher compression ratio, more than double that of gasoline engines, and their main components endure greater high temperature, high pressure, and impact. Mixing the two different types of lubricants results in poor lubrication, shortened engine lifespan, and even severe engine damage. 3. Compared to gasoline engine oil, diesel engine oil is characterized by higher viscosity and a greater quantity and variety of additives: Using high-viscosity oil in a gasoline engine increases engine resistance, leading to difficulties in starting, higher fuel consumption, reduced power output, and other issues. Additionally, the number and types of additives in diesel engine oil far exceed those in gasoline engine oil.
