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Current Events > Why is the nozzle for petrol smaller than the nozzle for diesel?

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pinky0926
03/27/24 6:13:23 AM
#1:


If I'm not mistaken, putting petrol in a diesel engine is a complete disaster for the engine.

But putting diesel into a petrol car is bad, but not necessarily a total disaster. Right?

So why is it possible to put a petrrol nozzle in a diesel fuel cap but not the other way around? Surely they should be designed the other way?

I'm assuming there's some other design reason.

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Revisited
03/27/24 6:16:45 AM
#2:


pinky0926 posted...
But putting diesel into a petrol car is bad, but not necessarily a total disaster. Right?
Um no lol its absolutely a disaster, why would you think otherwise though?
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Bugmeat
03/27/24 6:22:13 AM
#3:


Either one is going to be bad for the engine. But making it harder to put diesel in a gas vehicle safe guards the majority of vehicles from this mix up. Maybe that's why they do it that way?


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pinky0926
03/27/24 6:28:48 AM
#4:


Revisited posted...
Um no lol its absolutely a disaster, why would you think otherwise though?

I'm trying to remember which fuck up I did, but on a construction site I once put one type of fuel into a generator of the other kind. I'm pretty sure it was a 2 stroke petrol generator, and I put a not insignificant amount of diesel in it. The site supervisor laughed, roasted me about it and then just said "it'll just run pretty rich for a while", which it did.

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LeoRavus
03/27/24 6:30:01 AM
#5:


Professional truck drivers are probably less likely to use the wrong shit than your average car driver.

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Karovorak
03/27/24 6:41:09 AM
#6:


As far as I know, diesel in petrol should be much worse than petrol in diesel.

Diesel ignites on it's own during compression, so suddenly you have the fuel exploding in the cylinder at the wrong time, causing bad stuff to the engine really fast.

Petrol in diesel has other problems (something about lack of lubricant I think), but not so extreme in terms of damage.

Again, as far as I know, and if I remember correctly.

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Mew
03/27/24 7:04:03 AM
#7:


Bugmeat posted...
Either one is going to be bad for the engine. But making it harder to put diesel in a gas vehicle safe guards the majority of vehicles from this mix up. Maybe that's why they do it that way?


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El_Marsh
03/27/24 7:27:41 AM
#8:


Are there places where the pumps aren't CLEARLY labeled?

Because every gas pump that I've ever seen has clearly labeled the type of gasoline available to it. No need to puppysit something that's incredibly gd obvious.

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pinky0926
03/27/24 7:30:13 AM
#9:


El_Marsh posted...
Are there places where the pumps aren't CLEARLY labeled?

Because every gas pump that I've ever seen has clearly labeled the type of gasoline available to it. No need to puppysit something that's incredibly gd obvious.

Labels are famously perfect at preventing accidents as we know

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TetsuoS2
03/27/24 8:27:22 AM
#10:


pinky0926 posted...
Labels are famously perfect at preventing accidents as we know
https://gamefaqs.gamespot.com/a/forum/9/9e8140f3.jpg

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545x39
03/27/24 8:36:17 AM
#11:


I didn't notice a difference at a regular gas station when I drove a truck for a living. Usually the larger nozzles were at truck stops where you are filling a much larger tank.

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