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2006 Honda Accord Battery vs Alternator

Tiny
RAY WALSH
  • MEMBER
  • 2006 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 36,000 MILES
My car won't start - went dead while sitting overnight in the garage. I jump started it and the engine ran well for about 3 minutes and then it died again. Jump started it a second time - ran well for a few minutes - then stopped again. A Honda dealership told me it was either a bad battery or alternator. I can replace the battery but not the alternator. Does it sound more like a battery issue or an alternator issue?
Thanks,
Ray
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Friday, October 17th, 2008 AT 12:39 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi Ray Walsh,

It looks more like a bad alternator than a battery. If the battery is bad, the alternator would provide the charge enough to keep the engine running.

However it could be a blown fuse or wire connection from the alternator to the battery.

You should test the charging voltage at the alternator mast and battery to confirm if it is charging problem. Voltage should be 13.5 to 14.5 volt with engine running.
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Monday, August 24th, 2020 AT 2:26 PM

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