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2001 Hyundai Coupe chrissuarez@rediffnail. Com

Tiny
CHRISTOPSUAREZ
  • MEMBER
  • 2001 HYUNDAI GENESIS COUPE
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 198,000 MILES
Sir please advise me, I have problem for charging my car it is not charging while in idle mode, but its charging when I accelerate. The mechanic said there is no problem with the alternator, I change my battery it is new. After 1 week its drain, but when I run the car it will charge. Please advise me.

Thank you
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Saturday, November 28th, 2015 AT 9:57 PM

7 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Do you have any aftermarket stereo equipment, lights or other accessories in the car?
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Sunday, November 29th, 2015 AT 4:18 AM
Tiny
CHRISTOPSUAREZ
  • MEMBER
  • 5 POSTS
Sir,

i did not add the stereo and light are the same before, I already tight the terminal of the battery, but sometimes when I push the accelerator its charging it range 14v.

But when I release its coming down again in 11v or 12v.

Thanks
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Sunday, November 29th, 2015 AT 10:13 AM
Tiny
CHRISTOPSUAREZ
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  • 5 POSTS
It will discharge after 3 days.
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Sunday, November 29th, 2015 AT 10:15 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The bottom line is that you are drawing too much current for the RPM the alternator is turning.

I don't know that you really answered my question about the stereo. I don't care who installed it. Does it have an aftermarket stereo or amplifier because that will draw the excessive current I'm referring to.
It shouldn't be a big problem if you don't let it idle for extended time.
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Sunday, November 29th, 2015 AT 10:20 AM
Tiny
CHRISTOPSUAREZ
  • MEMBER
  • 5 POSTS
Sir I change the stereo and xenon headlights last two years and the car good charging, but last week it suddenly happen this, the mechanic overhaul my transmission two weeks ago.
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Sunday, November 29th, 2015 AT 11:28 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If you can bring the RPMs up slightly and see 14v, there is nothing wrong with your charging system. Look elsewhere for your problem if there is one.
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Sunday, November 29th, 2015 AT 11:39 AM
Tiny
CHRISTOPSUAREZ
  • MEMBER
  • 5 POSTS
The rpm range 3 only and the battery charging its showing 14v, but again when I release after 3 to 5 minutes it will show 12v only. I go to mechanic he said need to change the alternator. But I dont believe bacause its charging when the car run.
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Sunday, November 29th, 2015 AT 11:47 AM

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