new battery now having issues with it starting or staying running?

2015 TOYOTA AVALON
130,000 MILES • 3.7L • 6 CYL • 2WD • AUTOMATIC
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SADSHERRI
  • MEMBER
  • 1 POST
Somebody rear ended while it was parked, I can out try to start dash gauges went crazy and would not start, put in new battery. And now having issues with it starting or staying running, before that hit car was awesome now garage says alternator and they want $1,900.00. How can a hit blow my alternator?
Mar 27, 2023 at 2:35 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
I would check the alternator output myself by using this guide and it is normal for the car to stall after installing a new battery. Please check out these two guides and get back to me:

https://www.2carpros.com/articles/how-to-check-a-car-alternator

and

https://www.2carpros.com/articles/engine-stalls-idles-too-high-low-after-dead-or-replaced-battery

Please go over these guides and report back.

Mar 27, 2023 at 10:41 AM
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