Is It Serious If a Gasoline Car is Filled with Diesel?

1 Answers
Dominic
07/29/25 10:13pm
Filling a gasoline car with diesel can have a significant impact on the engine. This is because the ignition points of gasoline and diesel differ; diesel ignites at around 220 degrees Celsius, while gasoline ignites at approximately 427 degrees Celsius. If diesel is added to a gasoline engine, it may ignite prematurely within the cylinders, leading to engine knocking and causing substantial damage to engine components. Additionally, diesel may clog the gasoline injectors, resulting in a failure to supply fuel to the vehicle. Steps to Take If a Gasoline Car is Filled with Diesel: 1. Turn Off the Engine: Immediately stop the vehicle, turn off the engine, and call for towing assistance. 2. Do Not Drive: Under no circumstances should you continue driving, as this could cause further damage to the engine. 3. Conduct Repairs: Once at the repair shop, the diesel should be completely drained from the fuel tank and fuel lines. The fuel system should then be thoroughly flushed with gasoline. Finally, inspect the engine for any damage. If no damage is found, the vehicle can be returned to normal use.
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