What is the normal voltage on the battery when my engine is running?

Tiny
ZAKHIA
  • MEMBER
  • 2004 VOLKSWAGEN TOUAREG
  • 100,000 MILES
Touareg v8 2004
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Thursday, May 10th, 2012 AT 7:53 PM

4 Replies

Tiny
PROMECHANIC
  • EXPERT
The voltage should be in the 13.5-14.5 range
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Thursday, May 10th, 2012 AT 8:03 PM
Tiny
DJCL
  • EXPERT
Some cars have a lower charging voltage @ idle but if you tap the gas thay will jump up into range
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Thursday, May 10th, 2012 AT 9:23 PM
Tiny
DSHELLY77
  • EXPERT
14.6 at idle
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Thursday, May 10th, 2012 AT 9:38 PM
Tiny
VWSCOTT
  • MEMBER
If it's low you need the cable that runs to the starter if the alt tests okay. Common problem on some touaregs-v6 and v8
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Sunday, July 8th, 2012 AT 7:56 PM

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