What's the deal with gasoline cars not being able to use diesel?

1 Answers
Katie
07/30/25 4:36am
Diesel fuel lacks the power to start gasoline-powered vehicles. Even if it could start the engine, the car would stall after just a few steps because diesel cannot properly power a gasoline engine. The consequences of continuing to operate a gasoline car after adding diesel are as follows: 1. Carbon buildup: When diesel is added to a gasoline car and the engine is started, the insufficient pressure from the fuel injectors means the diesel can only partially atomize, entering the cylinder in liquid form. This leads to incomplete combustion, causing carbon buildup and potentially clogging the fuel injectors. 2. Engine knocking: After adding diesel to a gasoline engine, the high-pressure air-fuel mixture reaches its auto-ignition temperature before the spark plug fires, leading to violent combustion. This causes abnormal pressure in the combustion chamber, commonly known as knocking, which can damage the engine. In severe cases, it may result in cylinder scoring. 3. Immediate tank cleaning required: If the wrong fuel is added but discovered before starting the engine, immediately call for a tow truck to take the vehicle to a repair shop to drain and clean the fuel tank.
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