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Capless Fuel System Locking Gas Cap?

CBH said:
My 2023 Ram Rebel has a capless gas tank and the filter door does not lock. Has anyone found an after-market product that will keep someone from syphoning my gas or pouring something in the tank?
Click to expand...
Oh, you live in Chicago like me? :rolleyes:
 
bigdodge said:
gm states this reason for a capless fuel tank
gmauthority.com

General Motors Capless Fuel Filler Info | GM Authority

Capless Fuel Filler is a General Motors convenience technology that makes it easier and more convenient to fuel a vehicle. See more on GM Capless Fuel Filler.
gmauthority.com gmauthority.com
Click to expand...
"the lack of a cap adds convience for drivers"
Also "Mechanisms in the fuel filler neck make it nearly impossible to siphon more than a few gallons of gas"

Yeah those are quite the reasons. Can only siphon a few gallons and pour some sugar in after.
 
Darksteel165 said:
"the lack of a cap adds convience for drivers"
Also "Mechanisms in the fuel filler neck make it nearly impossible to siphon more than a few gallons of gas"

Yeah those are quite the reasons. Can only siphon a few gallons and pour some sugar in after.
Click to expand...
What does putting sugar in a gas tank do? It certainly doesn't hurt the engine, and isn't going to damage the fuel pump either

auto.howstuffworks.com

What Happens if I Put Sugar in Someone's Gas Tank?

Putting sugar in someone's gas tank has long been rumored to ruin someone's car. But does it really work?
auto.howstuffworks.com auto.howstuffworks.com
 
HSKR R/T said:
What does putting sugar in a gas tank do? It certainly doesn't hurt the engine, and isn't going to damage the fuel pump either

auto.howstuffworks.com

What Happens if I Put Sugar in Someone's Gas Tank?

Putting sugar in someone's gas tank has long been rumored to ruin someone's car. But does it really work?
auto.howstuffworks.com auto.howstuffworks.com
Click to expand...
I've no idea what it does. Point is only fuel should be put in there. I saw someone earlier say sugar so sure why not.
 
Darksteel165 said:
I've no idea what it does. Point is only fuel should be put in there. I saw someone earlier say sugar so sure why not.
Click to expand...
Because people have this ill conceived notion that it will destroy someone's vehicle.
 
Modern fuel pumps are electronic, but it's possible they could be foiled by a glob of sugar. Again, it merely requires cleaning out the tank in either case.

More Dangerous Than Sugar​

So, what will mess up an engine if it's added to the fuel? Water. But it would have to be a lot of it.



auto.howstuffworks.com

What Happens if I Put Sugar in Someone's Gas Tank?

Putting sugar in someone's gas tank has long been rumored to ruin someone's car. But does it really work?
auto.howstuffworks.com auto.howstuffworks.com




happy now?
 
Last edited:
bigdodge said:
Modern fuel pumps are electronic, but it's possible they could be foiled by a glob of sugar. Again, it merely requires cleaning out the tank in either case.

More Dangerous Than Sugar​

So, what will mess up an engine if it's added to the fuel? Water. But it would have to be a lot of it.
Click to expand...
Diesel?
 
bigdodge said:
Modern fuel pumps are electronic, but it's possible they could be foiled by a glob of sugar. Again, it merely requires cleaning out the tank in either case.

More Dangerous Than Sugar​

So, what will mess up an engine if it's added to the fuel? Water. But it would have to be a lot of it.
Click to expand...
The filter and pick up screen will prevent any sugar from getting to the pump. And it definitely won't "glob" in gasoline
 
HSKR R/T said:
The filter and pick up screen will prevent any sugar from getting to the pump. And it definitely won't "glob" in gasoline
Click to expand...
i did NOT write this!!

I only copied it

you could do the same

you know for a moderator you sure like to get into pissing contests with posters!!!!!




auto.howstuffworks.com

What Happens if I Put Sugar in Someone's Gas Tank?

Putting sugar in someone's gas tank has long been rumored to ruin someone's car. But does it really work?
auto.howstuffworks.com auto.howstuffworks.com






happy now?
 
Last edited:
bigdodge said:
i did NOT write this!!

I only copied it

you could do the same

you know for a moderator you sure like to get into pissing contests with posters!!!!!
Click to expand...

How is anyone that didn't read the previously linked article supposed to know you're quoting it?

You didn't put quotes around it, or otherwise indicate it was a quote.

There's a quote character on the keyboard and there's a "quote" option on the editor here.
 
bigdodge said:
i did NOT write this!!

I only copied it

you could do the same

you know for a moderator you sure like to get into pissing contests with posters!!!!!
Click to expand...
I'm sorry that you feel correcting false information is getting into a pissing contest. Whether you copied and pasted it or not it's not accurate.
 
Wouldn't it be pretty simple to just pull it open if factory locked? Law of averages says you will be fine...nobody wants your gas and if somebody is putting sugar in your tank it's more likely a targeted vandal
 
regardless of why he may want one…….does ANYONE have another option other than the “dust cap” one? I’ve also been looking for one that may work. Thank you in advance.

PS: sugar may not harm your enigine, but a small amount of household bleach with WRECK it. I’d rather have a slight deterrent than non at all
 
OK, I just had to spend north of $10,000 because someone put DEF into my diesel fuel. Can't help but tthink that might have been prevented had the fuel door had a lock on it. Pretty expensive payout just because of someone's malicious intent. Wonder if FMCA will cover this expense under warranty, nope they will not. They considered it abuse or misfueling.
 
BigLew said:
OK, I just had to spend north of $10,000 because someone put DEF into my diesel fuel. Can't help but tthink that might have been prevented had the fuel door had a lock on it. Pretty expensive payout just because of someone's malicious intent. Wonder if FMCA will cover this expense under warranty, nope they will not. They considered it abuse or misfueling.
Click to expand...
I'd be highly surprised if someone maliciously wasted money buying DEF to pour in your fuel tank. Did you really **** someone off?
 
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