Car smells like gas
The buyer question: "car smells like gas"
Do not continue driving if the smell is strong, enters the cabin, follows a visible leak, or comes with smoke or rough running. Turn the engine off away from ignition sources and arrange help.
What could cause it
More than one problem can cause the same symptom. These are places to inspect, not a diagnosis.
- A fuel spill around the filler area
- A fuel line, tank, injector, or vapor-system leak
- An engine running too rich or misfiring
- A loose fuel cap or vehicle-specific evaporative-emissions issue
Safe things to check
Keep clear of moving parts, hot components, and traffic. Use the owner's manual for vehicle-specific instructions.
- Move people away from the vehicle and avoid smoking or sparks
- Look from outside for wet fuel or a growing puddle without touching it
- Check the fuel-cap and warning-light information in the owner's manual
Stop driving immediately if a strong fuel smell persists or a leak is visible. Do not park in an enclosed garage or restart the vehicle until a qualified professional has assessed it.
What a mechanic may check
A technician may inspect fuel lines, the tank, pump, injectors, vapor controls, cap sealing, fuel trims, and leaks using the vehicle's approved procedure.
If you are considering this car
A gasoline smell during a viewing stops the test drive. Ask the seller to repair it and provide a written diagnosis before you drive the car again.
Questions for the seller
- When did the smell start, and is it stronger after refueling, starting, or driving?
- Has any fuel-system work or accident repair been done?
- Can I see a pressure or leak test from a qualified shop?