Thread Makers: Thread titles must summarize the technical question or problem, and the first post must include the year, trim, and any mods for your Civic.
So....we are left to guessing? Are you going to even attempt to give any details? Have you even tried troubleshooting. You do understand it is impossible to diagnose a smell through words on the net, right.
FFS, put some effort into the post so we have any hope of helping. You want free help, but don't give any kind of direction to go in.
This may be the least amount of effort I have ever seen in a tech thread.
Is there gas leaking on the ground anywhere when you park it? Think of the components that handle the fuel delivery. I believe the most common reason for smelling gas would be a leaking fuel tank.