What to do if…
you smell petrol or fuel around your vehicle while it is parked
Short answer
Assume a possible fuel leak: do not start the vehicle, keep people away from fumes, and arrange towing or a mechanic. If there’s visible pooling/dripping, the odor is worsening, it’s in an enclosed/attached garage, or anyone feels unwell, call 911 and get to fresh air.
Do not do these things
- Do not start the engine or “just move it” if you can smell gasoline.
- Do not smoke, vape, or use flames near the vehicle.
- Do not use jump packs, chargers, power tools, or anything that could spark close to the fumes.
- Do not try to fix or clamp a fuel line yourself while fumes are present.
- Do not stay in an enclosed garage/parking area breathing fumes.
What to do now
- Get to a safer position. Move yourself and others away from the vehicle (increase distance if the odor is strong). Keep kids and pets back.
- Reduce ignition risk and get fresh air.
- No smoking/flames.
- If the vehicle is in a garage or enclosed parking, leave that space and, if safe, ventilate by opening the main door/exit to disperse fumes (avoid actions that could create sparks right next to strong fumes).
- If it’s an attached garage and fumes are strong, consider stepping outside the home with everyone and call 911.
- Look for a clear “do not start” sign. From standing height, check for:
- a fresh puddle under the vehicle,
- a dripping trail,
- an odor strongest near the fuel door/cap area.
- If you just fueled up and it’s safe to approach: confirm the gas cap is tight and step back. If the odor remains strong or you see liquid fuel, stop and back away.
- Arrange professional help rather than driving.
- Call roadside assistance for a tow to a repair shop, or arrange a mobile mechanic.
- Tell them you suspect a fuel leak so they can plan safe handling.
- Call 911 if any of these are true: strong or increasing gasoline odor (especially indoors), visible flowing leak/pooling fuel, symptoms like dizziness/headache/nausea from fumes, or the vehicle is near/inside a building where vapors could accumulate.
- If there’s a significant spill/release you’re reporting (in addition to local emergency response):
- For oil/chemical spills and hazardous material releases, the National Response Center (NRC) can take reports at 800-424-8802. If there’s immediate danger, start with 911 first.
What can wait
- You don’t need to identify the exact failed part right now.
- You don’t need to decide on repair options or costs until the car is safely assessed.
- You don’t need to clean up a significant fuel spill yourself—prioritize distance and the right responders.
Important reassurance
Fuel smells can happen for reasons that turn out to be minor, but a true leak can be dangerous. Choosing the cautious first step—don’t start it, and get help—prevents the worst outcomes while you figure it out.
Scope note
This is first-steps guidance for the immediate moment. A mechanic or tow operator may need to inspect the fuel system before the vehicle is used again.
Important note
This is general information, not professional advice. If you believe there is immediate danger, call emergency services and follow local instructions.