What are the effects of mistakenly adding diesel to a gasoline car and driving for dozens of kilometers?

1 Answers
LaSkylar
07/30/25 5:37am
Adding diesel to a gasoline engine will cause the diesel to ignite prematurely in the cylinder, leading to engine knocking, which can cause significant damage to engine components. Additionally, diesel may clog the gasoline injectors, resulting in a failure to supply fuel to the vehicle. Specific explanations are as follows: Adding diesel to a gasoline engine will cause the diesel to ignite prematurely in the cylinder: The ignition points of gasoline and diesel are different. Diesel ignites at around 220 degrees Celsius, while gasoline ignites at about 427 degrees Celsius. Therefore, adding diesel to a gasoline engine will cause the diesel to ignite prematurely in the cylinder, leading to engine knocking and significant damage to engine components. Handling method: Stop the car and turn off the engine immediately, then call for a tow truck and wait for assistance. Do not continue driving to avoid further damage to the engine. Upon arrival at the repair shop, the diesel in the fuel tank and fuel lines should be completely drained, followed by a thorough cleaning of the fuel system with gasoline. Finally, check the engine for any damage. If none is found, the car can be returned to normal use.
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