my ls will not start... on 2002 Lincoln LS

i replaced battery car has gas but it wont cut on it cranks but doesnt have enough power.. what can this be????

Asked by for the 2002 Lincoln LS
Are you saying it cranks too slowly? Is the battery fully charged? Make sure all the cables are clean and secure.

If it's cranking fine but not starting, it could be a fuel pumping or supply concern.