What to Do If You Accidentally Fill Your Car with Diesel?

2 Answers
Connie
07/24/25 4:35am
Do not start the car if you have filled it with the wrong fuel; clean the fuel tank promptly. Below are some fuel tank maintenance methods: 1. Cleaning Method: The car's fuel tank should generally be cleaned every three months. Excessive sediment in the fuel tank can lead to a large amount of impurities entering the fuel lines, accelerating the contamination and clogging of the filter and increasing wear on precision components, which can affect the normal operation of the engine. Therefore, it is essential to regularly remove sediment from the fuel tank to maintain its cleanliness. 2. Primary Maintenance: Fuel tank maintenance mainly involves combining it with the car's primary maintenance, draining accumulated water and deposits from the fuel tank, and checking for any oil leaks at the fuel pipe joints and switches. For fuel tank caps equipped with air valves and steam valves, also check if the vent holes are clear. The filter screen at the fuel filler neck should remain intact to prevent impurities from entering the fuel tank during refueling and clogging the fuel lines. The sealing gasket on the fuel filler cap should also be in good condition to prevent fuel from spilling out while driving.
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StMorgan
08/11/25 12:12am
Oops, I made the same mistake last time. Whatever you do, don't panic! If you accidentally put diesel in a gasoline car, the first step is absolutely DO NOT start the engine - diesel can clog the fuel lines and cause serious damage. My advice is to immediately turn off the ignition, park somewhere safe, and call a towing company. Have them tow your car to a professional repair shop where mechanics will use special equipment to completely drain the tank and clean the entire fuel system, including filters and injectors. This process might cost over a thousand yuan, but it's still cheaper than engine repairs. Always double-check fuel labels when refueling - taking a photo of the pump with your phone to confirm the fuel type can prevent trouble. Safety first!
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