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volts drop when revving

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Old 09-26-2016, 11:49 AM
wills rims's Avatar
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Default volts drop when revving
Hi, I have f4 that at idle is around 13v and when I rev it the battery volts drop down in the mid 12vlts and then back up at idle. Any help would be great.
Thanks
 
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  #2  
Old 09-29-2016, 11:18 AM
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This is most likely a failed regulator/rectifier or stator. There should be a test procedure in the manual to figure out which. I believe Hondas are known to have weak reg/recs.
 
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Old 09-30-2016, 07:27 AM
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Hi, yes it was regulator. The stator checked out good. Thanks for the help.
 
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Old 10-02-2016, 03:08 PM
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I have spare regulator if you need one, it came of a 2005 F4
 
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Old 10-03-2016, 07:22 AM
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I already picked up one. Thanks for offering it up.
 
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