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My car battery light in on
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pahari
New User
Mar 28, 2021, 7:27 PM
Post #1 of 2
(480 views)
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My car battery light in on
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I have a 2010 Toyota Corolla S. Today, after driving around for 15 minutes, When I parked, my battery light came on. I took it to Autozone. After checking my battery and the changing system they said, everything seems ok. Nothing pop up in their machine. I was wondering what could cause this problem. I replace my battery in December 2019. And I replace my alternator 2 weeks ago.
N.B:
The first time I saw that the battery light came on, I turn off my engine for 5 minutes and then start again, the battery sign was off. After running the engine for 3/4 minutes, it came back on.
While I start the car for driving to AutoZone, the battery light was off. Again after 4/5 minutes, It came on while I was driving. My battery sign was still on, while the guy from AutoZone was checking both the battery & the changing system. Then I turn off and on my engine, that sign went off again.
Any comments, what might cause the problem?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 29, 2021, 1:00 AM
Post #2 of 2
(457 views)
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Re: My car battery light in on
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You said battery light was on when you parked it? Do you mean engine was off or during parking the car?
Would help if you got codes read I suspect engine idle is low or strained to put out a proper charge. Low idle or overloaded electrical use could do this then test out as normal.
A live view of operating voltage can be done thru a power port/cig lighter while driving watch voltage I bet it's dropping which triggers the warning light.
Does this car have aftermarket items like a sound system or anything else that uses battery power?
T
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