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What to Do If a Car Has Some Diesel Added?

2 Answers

LaIsaac

08/28/25 5:33am

Gasoline car added diesel treatment method: 1. Must stop and turn off the engine immediately, and call for a tow truck to wait for rescue. 2. Do not continue driving to avoid causing greater damage to the engine. 3. Upon arrival at the auto repair shop, the diesel in the fuel tank and fuel lines should be completely pumped out, followed by thoroughly cleaning the fuel system with gasoline. 4. Finally, check if the engine has suffered any damage; if not, normal use can be resumed. Impact of adding diesel to a gasoline car on the engine: 1. First, the ignition points of gasoline and diesel are different; diesel ignites at around 220 degrees Celsius, while gasoline ignites at about 427 degrees Celsius. 2. Therefore, if diesel is added to a gasoline engine, it may ignite prematurely in the cylinder, causing engine knocking and significant damage to mechanical components. 3. Secondly, diesel may clog the gasoline injectors, leading to a situation where the vehicle cannot receive fuel.

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JosephineLee

09/10/25 3:57am

I just heard about the incident of adding diesel to the car. This is no small matter—putting diesel in a gasoline car can severely damage the entire fuel system, especially the engine and fuel injectors. If you've already added some, the most critical thing is not to start the engine! Otherwise, once diesel gets sucked in, repairs could cost thousands or even tens of thousands. Quickly pull out the key and wait for assistance by the car. It's best to call a professional tow truck to take it to a reliable repair shop, where they’ll need to clean the fuel tank, fuel lines, and the entire fuel system. Over the years, I’ve seen many such mistakes—people not paying attention to the labels while refueling, only to completely ruin the engine upon starting. Remember, be diligent with post-incident maintenance and double-check the fuel pump and signs when refueling to avoid such trouble. The towing fee might only be a few hundred, and the cleaning cost around a thousand, but that’s much cheaper than a major repair.

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