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Ever tried to siphon gas from a 2020 car with just a garden hose? Spoiler alert: it’s not gonna happen. Modern vehicles are designed to make siphoning fuel a real headache, and for good reason.
Why Siphoning Gas is a No-Go

In short, no, siphoning gas from a newer car is nearly impossible. These rides are packed with anti-siphon tech that makes it tough for anyone to steal gas. Sure, it might be possible if someone’s really determined and has the right tools, but it’s not worth the trouble.
Is It Legal to Siphon Gas?

Let’s get this straight: siphoning gas from someone else’s car without permission is illegal. It’s theft, plain and simple. Even if it’s just a prank, the cops won’t see it that way. Sure, emergencies happen, but those are rare. And honestly, siphoning isn’t the best fix for a gas shortage anyway.
What Makes Siphoning So Tough?
Modern fuel systems have two main culprits that make siphoning a pain:
- The Rollover Valve: This one-way valve stops gas from flowing back out, making it nearly impossible to get a hose through.
- Anti-Siphon Mesh: A mesh barrier with tiny holes that catches debris and blocks siphoning attempts.

When Might Siphoning Be Necessary?

In the world of car maintenance, the official stance is: don’t do it. There are always better options, like:
- Storing gas in jerry cans ahead of time.
- Bringing full jerry cans on road trips.
- Using dual-fuel generators.
- Getting a ride to a gas station.
Only consider siphoning from older models—those pre-1980s rides—where it’s easier and won’t cause damage.
Why Avoid Siphoning?

Trying to siphon gas can lead to some serious issues:
- Breaking the anti-siphon mesh, letting debris into the tank.
- Damaging the rollover valve, which could trigger the Check Engine Light.
Plus, there’s the risk of ingesting gasoline, which can cause severe health problems. It’s not worth the gamble!
What About Older Cars?

For cars built before the 1980s, siphoning is straightforward since they lack the anti-siphon tech. But keep in mind, those were also the days when gas theft was rampant.
How to Siphon Gas (If Absolutely Necessary)

If there’s no other option, here’s a rough guide on how to siphon from a newer car:
- Turn off the engine and remove the filler cap.
- Use a thicker pipe to guide a smaller pipe past the rollover valve.
- Work the smaller pipe through the anti-siphon mesh.
- Connect the pipes to a gas-safe pump and start siphoning.
But seriously, this is a last-resort move. It’s complicated and risky, and it’s way easier to just hit up a gas station.