Will Putting Diesel in a Gas Engine Damage It? What You Need to Know
Learn why diesel fuel can harm gas engines, steps to take if misfuelling happens, and how to avoid costly engine damage.
Video transcript
Yes, putting diesel in a gas engine can cause severe damage. Diesel is thicker and less volatile than gasoline, leading to clogging and improper fuel combustion. If you've accidentally put diesel in your gas engine, do not start the vehicle. Drain the fuel tank and fuel lines immediately and refill with gasoline. Consulting a professional mechanic for an inspection is also advisable to prevent potential long-term damage.
Questions and answers
What happens if I put diesel fuel in a gasoline engine?
Diesel is thicker and less volatile than gasoline, which can cause clogging and improper combustion in a gas engine, potentially leading to severe damage.
Can starting the car with diesel in the gas tank cause more damage?
Yes, starting the engine can circulate diesel fuel throughout the fuel system, increasing the risk of clogging and costly repairs.
What should I do if I accidentally put diesel in my gasoline car?
Do not start the vehicle. Have the fuel tank and lines drained immediately and refill with gasoline. Consulting a professional mechanic for a full inspection is highly recommended.
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