Diesel engines are designed to handle the thicker consistency and higher flashpoint of diesel fuel, while gasoline is designed for the thinner consistency and lower flashpoint of gasoline. Different fuel temperatures create different internal temperatures in the engine.
Using gasoline in a diesel engine will cause the following:
1) Knocking: Gasoline ignites faster and more easily in the engine, causing rapid knocking or "dieseling" sounds. This can damage pistons and other engine components.
2) Overheating: Gasoline burns hotter, leading to higher engine temperatures. This can damage the engine's internals and cause overheating issues.
3) Fuel System Damage: Gasoline can damage the fuel injector and fuel pump designed specifically for diesel fuel, leading to malfunction or failure.
4) Lubrication Problems: Gasoline is not as effective as diesel in lubricating engine components, which can increase friction and wear within the engine.
5) Loss of Power: Gasoline burns differently in diesel engines, leading to reduced power and efficiency.
6) Engine Failure: In severe cases, using gasoline in a diesel engine can lead to catastrophic engine failure, requiring expensive repairs or replacement of the engine.