By Anonymous / Thursday 7 May 2015 15:45 / United States - Philadelphia
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  cristy91  |  33

Diesel and gas undergo different refinery processes and diesel engine uses diesel in a different way than a gas engine uses gas so they are def not interchangeable. Hopefully OP can siphon it all out before anything permanent happened :(

  lunar999  |  23

It would only requires a swap if he actually drove the car for a little while. If OP noticed before they had driven again it's just a matter of draining the fuel tank.

  toaster87  |  19

Putting diesel into a gas engine wouldn't even start the car, and would probably just require an engine flush, if anything there would be very minimal damage!! It's when you put gas into a diesel car that it can cause issues due to uncontrolled detonation of the fuel.

So OP, just be happy you don't have a diesel car and this FML was going in the opposite direction! : P

  bc3091  |  10

14, you'd be surprised. I went to a gas station a few months ago and filled up. About a mile later, my car started losing power and went into limp mode. Turns out, the station I filled at had put diesel in its premium fuel tank, which then put diesel into my gas tank. The car got me home, but wouldn't start after that because the spark plugs gave up on life. Got everything fixed on the gas station's dime, which cost about $800. Luckily for them, I didn't need a new engine.

  bc3091  |  10

True. One of my family's trucks was filled with gas a few years ago. It didn't last long. Ended selling it as spare parts because it was no longer worth fixing.


It's much better to put diesel in a petrol engine than the other way around. I accidentally confused the colours of the spigots once (thank you very much, British Petroleum) and put petrol in my ex-fiancée's diesel engine.

The damage came to more then €8000.

To their immense credit, Volkswagen paid for the entire repair. Though given what I know about my ex now, I would be much happier had they not. :-P

  Mauskau  |  35

This is why some cars come with stickers inside the fuel cap to say diesel or petrol. However you'd think OP would've mentioned what to get and how much to get.

  MlleMC_fml  |  19

Larla, it's pretty easy for someone who has never done it not to know how. It doesn't require a long explanation, but a basic one is useful (especially if it's not the car that the new driver usually drives).

By  meggieeeee92  |  27

You should have double checked that he knew which gas to put in since he's still a new driver!
But still, I feel like this is common sense and I'm not sure how people do this.

By  sabrinaMA  |  7

Lmao forgive him? Yes forgive him while you shell out money to fix your car. No, I hope you make his mother pay for it. If he's old enough to get a license then he's old enough to have common sense. If you don't do anything about it then don't complain

By  MrConcise  |  34

I use the same gas station every time I get a refill, but one time I hadn't remembered to fill up before a long day. I stopped into a different gas station whose sides for the diesel fuel were flipped, and I absentmindedly filled my whole car up with it, thinking it was the regular gas I use. Maybe the same happened to him.

  Mauskau  |  35

In the UK, the diesel pumps are black and the petroleum pumps are green. They also have labels on to say what they are, the gauge says what you're pumping along with the price. Diesel is more expensive, surely you'd be smart enough to use your eyes before spending so much money in a short space of time. I couldn't remember which side the pump was on if I went to the same one every time.

  MrConcise  |  34

Force of habit is really strong, and the total amount was never a factor to me. It was just "this one is cheapest" and it was always on the left. So when I went to the new one, I clicked the button to the left (in the US they all use the same pump) and didn't give it a second thought.

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