Had to jumpstart car. Kills a few minutes after jumper cables are removed but will stay running as long as jumpers cables are on. Replaced alternator, still the same. 2001 Kia Sephia

Battery needs to have a good /full charge on it. Try keeping the engine at a higher idle when removing jumper cables and see if it stays running with your foot on the gas. If so, battery may be the culprit.

Check alternator. Should be 13.2 Volts DC if charging.

Without the jumper cables being connected, do you have 12 volts at the battery and the starter post ? How are the ground connections.

you may have a bad ground, or the ignition switch needs to be replaced.

Your battery might be too flat to keep the car running.
Could be dirty terminals on your battery, or could be a bad cell in your battery, not holding charge. Make sure terminals are clean.

I'm not sure if the Aurora is a special type of car that requires a different way of jumping, but when u jump start most cars, you place the red end of the jumper cables on the positive/ red side of the battery and the black end on the negative. You want to make sure the jumper clamps are touching the metal part of the battery post (so if there's covers on the battery posts, move them so the cables have good connection. The same procedure is used on both cars. Be careful not to touch the end of the cables together, as doing so will make them spark if one end is connected to the running vehicle. Let your car charge a minute then try to start. If it starts, let it charge for 5-10 minutes and run/ drive your car after disconnecting to make sure the battery does not die the next time you shut it off. If it does not start after a few minutes of charging, adjust the clamps to make sure they have a good connection, wait 2-5 minutes longer & try to start your car again. *It is normal to hear the car that is jumping you idle more quietly when your car starts pulling juice from the charged battery. Also, remove jumper cables after charging, making sure not to touch the ends togther- as it will spark again. *it is not necessary to shut off the car that's jumping you before attatching the cables, or after charging. If your car still doesn't start after repeatedly adjusting cables and trying other cables to see if it is the cables not working, you may need a new battery or alternator. I would have the battery tested to see if you need a new battery before considerring the altinator.

SOUNDS LIKE LOW VOLTAGE. TRY # 4 CABLE JUMPER CABLES LIGHT DUTY CABLES WON'T DO THE JOB. IF IT JUMP STARTS, CHECK THE ALTERNATOR. WITH MOTOR RUNNING, VOLTAGE AT THE BATTERY SHOULD READ BETWEEN 13.90 & 14.80. REMOVE JUMPER CABLES FOR THE VOLTAGE TEST. THE MOTOR MAY HAVE TO RUN FOR A FEW MINUTES FOR A TRUE VOLTAGE READING.

The battery should be on the right hand side of the car, in the engine compartment, remember when you jump start it to hook up the jumper cables like this; negative jumper cable to negative battery terminal on your car, then positive jumper cable to positive terminal on your car, then, put the other positive jumper cable to the car that's jumper car and last connect the other negative jumper cable to the jumer cars engine block, and that should help you.

Battery is likely dead. Check alternator for charge current. Suspect alternator has failed. If you have a voltmeter, check voltage at battery after jumpstart and removing jumper cables (I'm assuming the engine will run for at least a few seconds). Voltage should be at least 14 vdc. If not replace alternator. If you don't have a voltmeter, you can remove the alternator and take it to the parts store to be checked. Any more questions, please reply.

Check the alternator.