Accidentally Filled Up With the Wrong Fuel? Here's What to Do Next!

by AutoExpert   |  21 August, 2024

Share :

So, you've аccidentally put the wrong fuel in your car? Relax, it hаppens more often than you might think—like, to the tune of over 150,000 Americans every year. Before you stress too much, let's wаlk through what you can do to fix this slip-up and get you back on the road without too much drama.

Oops, Wrong Fuel! Now What?

First up, haven't started the car yet? Perfect! Keep it that way. Not turning the ignition is your best bet to avoid major damage.

Wrong Fuel

  • Keep the engine off: Seriously, don't even put the key in.
  • Talk to the station staff: Let them know what's up. They’ve seen this before and can help keep things safe.
  • Move your car safely: Push it to a safe spot if you’re blocking the way.
  • Get professional help: Call your breakdown service or a fuel recovery expert to drain and flush out the wrong juice.
  • Alert your insurance: They should know about the mishap ASAP.

Wrong Fuel

What If You Already Started the Engine?

If your car is already rumbling and you realize the mistake, here’s your game plan:

  • Shut off the engine: If you can safely do it, turn it off right away.
  • Pull over safely: Get to a safe spot off the road.
  • Call for help: Time to get that fuel system cleaned out by the pros.
  • Inform your insurance: Better to loop them in sooner rather than later.

Fixing the Mix-Up

Most of the time, the fix involves draining the bad fuel out and giving you enough of the right fuel to get going. If things look grim, like your car needs more love, you might need a tow to the nearest garage.

Wrong Fuel

The Lowdown on Misfuelling

Every three minutes, someone in the US puts the wrong fuel in their car. It’s easy to do, especially when you’re in auto-pilot mode at the gas station.

Gas in a diesel car? This is the big uh-oh. Diesel acts as a lubricant, and gas, being a solvent, can wear down the engine parts as it circulates.

Diesel in a gas car? Not as catastrophic but still a problem. Diesel can gunk up your spark plugs and lead to engine misfires or smoke belching from your exhaust.

Wrong Fuel

FAQs on Fuel Faux Pas

  • A little gas in a diesel car? More than 3% gas can mess up your engine’s mojo, causing stalling or worse. Get it checked.
  • Wrong fuel consequences? The wrong fuel can gum up your system, affecting everything from the engine to the catalytic converter. Don’t start the engine; call for help.
  • Draining the tank? Depending on the setup, it could be quick or take a couple of hours.
  • Drove with the wrong fuel? Even a short drive can be bad news for your engine’s health.
  • How to tell if you’ve misfuelled? If your engine starts acting up, misfiring, losing power, or stinking like fuel, those are dead giveaways.

Wrong Fuel

If you find yourself in this sticky situation, remember, the faster you act, the better off your car will be. Just breathe, don’t start the engine, and get some help. You’ll be back to smooth driving in no time.

Recomended:

From Workhorse to Status Symbol: How the Pickup Truck Quietly Took Over America’s Roads - Photo
Others
From Workhorse to Status Symbol: How the Pickup Truck Quietly Took Over America’s Roads

Picture a grocery-store parking lot in 1993: Tauruses, Accords, maybe a stray Explorer. Fast-forward to the same lot in 2026 and you’re surrounded by tailgates. Statistically that feeling is

AutoExpert
I Tried Ceramic Coating So You Don’t Waste $1,500: Here’s the Unvarnished Truth - Photo
Tips & Tricks
I Tried Ceramic Coating So You Don’t Waste $1,500: Here’s the Unvarnished Truth

I still remember the day I fell for the pitch.My hatchback had just come out of a basic wash, and the detailer, towel in hand, grinned like he’d discovered electricity. “If you reall

AutoExpert
EV Batteries Don't Just Die and Get Thrown Away. Here's the Surprisingly Cool Thing That Happens Next. - Photo
Others
EV Batteries Don't Just Die and Get Thrown Away. Here's the Surprisingly Cool Thing That Happens Next.

One of the most common questions people have about electric vehicles never really gets answered in car reviews or commercials: what happens when the battery eventually dies?It's a fair questio

AutoExpert
Kia Carnival Owners Need To Check This Recall Before The Next Family Drive - Photo
Car News
Kia Carnival Owners Need To Check This Recall Before The Next Family Drive

A minivan recall never sounds dramatic at first. It sounds like paperwork. A letter in the mail. A service appointment to squeeze in between school pickup, groceries, work, and the 47 other t

AutoExpert
Dealers Are Practically Paying You to Take a New Car Right Now (If You Know Where to Look) - Photo
Car News
Dealers Are Practically Paying You to Take a New Car Right Now (If You Know Where to Look)

If you've been waiting for the right moment to buy a new car, you might want to stop waiting.Fresh data from Kelley Blue Book, released this week, shows that new-vehicle prices moderated in Ma

AutoExpert
Is Your Car's Odometer Lying to You? Over 2 Million Vehicles on U.S. Roads Have Been Tampered With - Photo
Tips & Tricks
Is Your Car's Odometer Lying to You? Over 2 Million Vehicles on U.S. Roads Have Been Tampered With

When you buy a used car, you probably check the vehicle history report, poke around the exterior for dents, and maybe take it for a short test drive. That covers a lot of ground. But there is one scam

AutoExpert
Peugeot Brings Back The GTi With The Electric e-208 GTi - Photo
Car News
Peugeot Brings Back The GTi With The Electric e-208 GTi

Peugeot is bringing the GTi badge back, except now it’s attached to an electric hatchback instead of a noisy little gasoline engine. The production e-208 GTi will make its full debut on June 12,

AutoExpert
This Faux Land Cruiser Is Actually A Toyota Probox Underneath - Photo
Tuning
This Faux Land Cruiser Is Actually A Toyota Probox Underneath

Somehow, the Toyota Probox has become one of Japan’s favorite blank canvases for weird and surprisingly charming custom builds. The latest example comes from Goosfam, which looked at the hu

AutoExpert
Venuum Turned The Mercedes G-Class Into A Wild Four-Door Convertible - Photo
Tuning
Venuum Turned The Mercedes G-Class Into A Wild Four-Door Convertible

Mercedes-Benz is still working on its own G-Class Cabriolet, but Venuum clearly got impatient and built one first. The result is called the Mastodon V4, and it takes the already attention-hungry G-Wag

AutoExpert
Rare Michelotto Ferrari F40 Could Sell For Over $4 Million - Photo
Car News
Rare Michelotto Ferrari F40 Could Sell For Over $4 Million

Some Ferrari F40s spent their lives sealed away in collections. This one ended up in the hands of the people who built Le Mans race cars and came back far more extreme than Ferrari ever intended.T

AutoExpert