Why would the 2000 Ford Escape drain its battery after 2 hours of use? on 2001 Ford Escape

The battery light would come on. When starting on the starter knocks.It would not start? Until I recharge the battery again it would start.

by in Long Key, FL on April 18, 2013
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2 answers
ANSWER by , April 18, 2013
car won't start with insufficient charge in battery. battery draining cause charge system has failed. most likely the alternator. have battery and alternator tested.
ANSWER by , April 19, 2013
poss charging system is bad