My 2003 Ford Expedition is fluttering. And I can smell a little gas. Any suggestions?

My 2003 Ford Expedition is fluttering. And I can smell a little gas. Any suggestions?

Added (1). My 2003 Ford Expedition is fluttering, and I can smell a little gas fume. Any suggestions on what it may be?

Sure, take it to your favorite repair shop. Smelling gas is dangerous.