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Running A/C -- noob

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Old 12-08-2016, 04:35 PM
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Originally Posted by ThatNewWifeSmell
Yep I'll leave them running if I need to. Not a single valid reason to shut it off. There's never been a reported case where a running engine while pumping gas has ended up in disaster. This cultural habit or safety rule was created when people didn't know any better, and it stuck. Kind of like swimming after eating a meal would cause cramps that could lead to drowning.

Smoking while pumping also isn't dangerous, although I don't smoke. Drop a cigarette in a can of gas and the cig goes out, no boom.
Not one? Ever? Anywhere in the world? Not a single one? Are you absolutely sure?

And you are correct, gasoline fumes cannot ignite from a cigarette.

There is a law - Darwin's Law. Wow...
Old 12-08-2016, 07:56 PM
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Originally Posted by Ricktwuhk
Not one? Ever? Anywhere in the world? Not a single one? Are you absolutely sure? And you are correct, gasoline fumes cannot ignite from a cigarette. There is a law - Darwin's Law. Wow...
Myth busters tested the lit cigarette while filling up, They could not get the gas to ignite.. Takes a spark, or open flame.

But there is always the first time.
Old 12-09-2016, 05:34 AM
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Originally Posted by Ricktwuhk
Not one? Ever? Anywhere in the world? Not a single one? Are you absolutely sure?

And you are correct, gasoline fumes cannot ignite from a cigarette.

There is a law - Darwin's Law. Wow...
100% sure. There's nothing specific to a running engine that could ignite the fuel when you're filling up. The only thing to worry about is static spark from your clothes. No one's forcing you to keep your engine running, so we'll agree to disagree.
Old 12-09-2016, 11:46 AM
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Originally Posted by ThatNewWifeSmell

Smoking while pumping also isn't dangerous, although I don't smoke. Drop a cigarette in a can of gas and the cig goes out, no boom.
True that the gasoline fumes require a spark or open flame to ignite. A glowing ember will just be suffocated by the liquid gasoline.

But since you have fumes coming out of the filler neck and contaminates in a cigarette can indeed spark (I used to be a smoker and observed it many times) you do have a risk potential. While small, it's still a very real risk.
Old 12-09-2016, 11:59 AM
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Originally Posted by Ricktwuhk

There is no vehicle that runs the A/C without the engine running, although you can leave the key on Accessory and run the fan. The air will turn warm, how quickly depends on the ambient temperature.

Not 100% true. My wife has a Tesla and you can run the A/C or heat anytime. Even great being able to turn on the heat to warm up the car in a enclosed garage without committing suicide.
Old 12-09-2016, 12:15 PM
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In the cold upper midwest, everyone leaves their vehicle run while filling. I let it run every time I fill up in the winter.
Old 12-09-2016, 12:29 PM
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Originally Posted by bachman44
In the cold upper midwest, everyone leaves their vehicle run while filling. I let it run every time I fill up in the winter.
Same here. Living in western Canada where right now it's getting close to -30 as I type, I've been leaving my truck running while filling and I still have my eyebrows. Had an old Chev diesel in high school that I left running for a full week 24/7 during a very cold blast where we got to -40 overnight.
Old 12-09-2016, 01:12 PM
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Originally Posted by Ace007
Not 100% true. My wife has a Tesla and you can run the A/C or heat anytime. Even great being able to turn on the heat to warm up the car in a enclosed garage without committing suicide.
I wonder if there's ever been a case where someone was trying to do so with an EV?
Old 12-10-2016, 11:00 AM
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Originally Posted by bachman44
In the cold upper midwest, everyone leaves their vehicle run while filling. I let it run every time I fill up in the winter.
Not true. Very seldom see people do this. 11 deg today.
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Old 12-10-2016, 01:17 PM
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I work overseas and everyone, I MEAN EVERYONE leaves their engine running when filling up. I don't see a problem with it. Initially, I felt kind of weird leaving it running, but got used to it after a while.




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