check engine light coming on on 2005 Saturn Relay

my check engine light comes on and stays on for awhile then shuts off and comes on again my car has trouble starting then it starts when we jump it I can't afford to have it serviced at the cost of what saturn charges it has 97,000 miles on it what can I do and can a outside mechanic fix this problem and what is the cost

Asked by for the 2005 Saturn Relay
You can try some of the other repair shops in your area, there are some really good ones: