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2000 Hyundai Elantra Battery Draining

Tiny
S-MAC
  • MEMBER
  • 2000 HYUNDAI ELANTRA
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 137,225 MILES
Vehicle was having intermittent check engine light, when CE light came on the headlights and dash lights would flicker and dim, turn signals increasingly blinked slower and engine idle reduced.
Car battery became completely drained. Replaced with new battery and new alternator, drove about 15 minutes and the check engine light came on and the car eventually stalled again due to a drained battery.
Checked all fuses, battery connections etc.
I'm not sure where to investigate further and was hoping for suggestions. Thanks in advance
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Monday, June 16th, 2014 AT 9:21 AM

7 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Were you able to retrieve any trouble codes?
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Monday, June 16th, 2014 AT 9:32 AM
Tiny
S-MAC
  • MEMBER
  • 5 POSTS
No, I will try that now if the battery allows it.
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Monday, June 16th, 2014 AT 9:43 AM
Tiny
S-MAC
  • MEMBER
  • 5 POSTS
This vehicle does not have the key option for pulling codes, I will need to get a code reader from an auto store to move forward. :(
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Monday, June 16th, 2014 AT 9:52 AM
Tiny
S-MAC
  • MEMBER
  • 5 POSTS
P0562
System Voltage Low

thoughts?
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Monday, June 16th, 2014 AT 6:52 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Have the charging system tested again. Ensure the replacement alternator is good. Check for loose ground circuits and ensure the main connection between the battery and alternator is good.
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Thursday, June 26th, 2014 AT 11:29 AM
Tiny
S-MAC
  • MEMBER
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Thanks for the response KHLow2008, the replacement alternator was returned and tested good, got another one from the same Irish supplier that also tested good. After installing #2 the check engine light cleared and its running fine now for 10 days.
Special note:
*After a lot of searching on the net I found that these vehicles have issues with alternator replacements, some run fine for 5 minutes or 15 in my case and then they stop working. I read where one was fixed finally after the 4th alternator. Most were fixed on the 2nd replacement. Go figure.
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Thursday, June 26th, 2014 AT 9:21 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Glad to know you have the problem resolved.

Have a nice day.
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Monday, August 11th, 2014 AT 7:37 AM

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