You should check to see if you are getting spark at the wires,and fuel pressure first.
your alternator ain't charging your battery or a bad connection draining the battery
if the engine cranks.... then it is not the battery or alternator.... look at the primary electrical system and fuel injection
If car cranks over and won't start it is not the starter, alternator or battery. Most likely the ignition wires or module, fuel delivery system or air intake meter.
Yes. The alternator is used to keep the battery charged, while using the headlights, radio, a/c, etc. The starter to me is misstated because it actually cranks the engine. The ignition system starts it, and keeps it running.
Try jumping it off. If it cranks remove the + side on the battery. If it shuts off the alternator is bad .If it does not shut off clean the battery terminals . Have the battery checked at the Auto Zone.
Can be many things. Lack of fuel, or other electrical problem.
check your timing belt
check your battery or you spark plugs
A 97 Geo Metro that cranks but gets no spark is not getting enough power to the ignition coil or the coil itself is bad. The coil use the 12 volts of power provided by the battery and alternator to generate a very powerful spark.
If the battery turns the engine over as it should then the battery is good.
If it just cranks and cranks and cranks then it's likely fuel pump. If it died and it won't turn over anymore, likely alternator.
check battery