car wont start but lights and radio come on on 2005 Ford Focus

when the car has been sitting for a few hours it will not start. the lights and radio come on and the lights dont dim after trying to start the car. once it starts then i can start it again if i shut it off and let it sit for 30 minutes to an hour but if i let it sit for a few hours then it wont start again.

by in Salt Lake City, UT on April 06, 2010
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2 answers
ANSWER by , July 23, 2010
altenator or battery if u can get it started bring it advance auto parts or auto zone and have them test it them
ANSWER by , December 11, 2015
The foucus won't start but everything elus works it wont even turn over