What does Code p0174 mean it say system too lean ?? on 1997 Cadillac DeVille

What the heck does this mean ?? Code is p0174 System is too lean ?? THis is getting tiresome dealing with this code crap . Sorry its frustrating.

1 answer
Learn more about this type of OBD codes following this link to the RepairPal Encyclopedia; http://repairpal.com/OBD-II-Code-P0171-and-P0174