My car starts then shuts off why?
2001 chevy impala 3800
The condition of the battery could be the reason. It may call for checking of battery terminals to detect any corrosion. It may also be a problem of the fuel system. An experienced mechanic will be able to detect the problem easily. Read http://www.ehow.com/how_4673722_diagnose-car-starting-problems.html.
Maybe you need a new battery.