Q: Gas smell upon fill up

asked by on

I detect a gas smell every time I fill up my car. I'm thinking maybe it is either the vapor canister or the EVAP system.

A common issue on the Mustangs occur on the fuel tanks, there is a rubber gasket where the filler neck enters into the fuel tank. It can crack and the smell of fuel can occur as the tank is filled. It is also possible a cracked EVAP line of canister housing is leaking vapor during tank filling. The fuel system needs to be inspected and the fault codes read out of the engine computer to determine if there are any EVAP codes stored. You may want to enlist the help of a mechanic, like one from YourMechanic, who has the equipment and training to locate evaporative system leaks.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Gas smell upon fill up

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car engine is working too hard

Hi Sandro. Thanks for contacting us tonight. There are a few possible reasons why an engine appears to 'work harder' than it should. First, and most common is transmission fluid that has been contaminated, is obstructed with debris or possibly...

Q: Will a very small crack in my intake manifold cause major damage if I wait about 3 months to fix it?

The intake has coolant cross over tubes that directs coolant from one cylinder head to the other. If you have a crack in the intake manifold and it is leaking coolant then when the engine is running and cooling system...

Q: My car is reading a code die evaporative emission system leak. But when I accelerate to 70 it will not speed up

The flashing check engine light signifies misfiring and the engine fault(s) causing the misfiring are probably related to the loss of power you are describing. Misfiring is potentially very damaging and so you should drive at a lower speed to...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...