Hi,
I have a feeling the poor running, and stalling are both a result of either a bad battery or an alternator that isn't producing.
Do me a favor. If you have a battery charger, recharge the battery, remove it, and have it load tested at a parts store. If you can't recharge it, places like AutoZone will charge it for you and test it free of charge.
If the battery tests good, then we need to check the alternator. To do this all that is needed is a voltmeter or multimeter. Here is a link that explains how to do it. You will need to have the vehicle running to perform this. If you can no longer get it to run even after charging the battery, remove the alternator and have it bench tested at a local parts store.
https://www.2carpros.com/articles/how-to-check-a-car-alternator
Let me know what you find or if you have other questions.
Take care,
Joe
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Wednesday, August 17th, 2022 AT 9:46 PM