Originally Posted by 05focusST91
Check the alternator too, make sure its charging over 14volts, your battery could have proper voltage with a low cold cranking amps so if u can get a battery tester it could help to check
Thanks to all for the responses. I will check the battery connections.
I do have a voltmeter hooked up that shows the battery voltage while the car is running. Lately it has been dipping below the normal 14.5V to about 13 or even 12V while the car is running. That is why I suspect the alternator.