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2005 Honda Civic Mysterious Starting Issue
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jayz
New User
Dec 10, 2010, 4:21 PM
Post #1 of 2
(2848 views)
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2005 Honda Civic Mysterious Starting Issue
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I have a 2005 Honda Civic that is having problems starting. Sometimes the battery is draining when its off. This was happening here and there for a week and I took it in. The battery and alt checked out fine and Honda couldn't find anything wrong with it. I took it back and it kept happening more and more. I took it back and Honda got it to repeat the problem. They replaced all three relay switches and the car started fine for a week. Then it started having problems again. I took it back to Honda and they claim it is just fine. I have no idea what to do now. Please help.
I have replaced the battery and the relay switches...
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Sidom
Veteran
/ Moderator
Dec 10, 2010, 8:28 PM
Post #2 of 2
(2843 views)
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Re: 2005 Honda Civic Mysterious Starting Issue
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From the symptoms you posted it sounds like you have a parasitic draw on the system and to make matters worse, it's an intermittent draw. Draws can be hard enough to trace down but when it doesn't do it all the time it can be near impossible.
It could be something as simple as a door switch not shutting all the way keeping a dome light, glove box light or trunk light on. It could be a sticking relay keeping a circuit active sometimes. I've even seen bad batteries cause this but you said you've changed yours so the odds would be against having a different battery with the same problem (although not impossible)
Maybe an electrical shop might be a good idea to have them take a look at it. On this one it would probably be best to hook up a scope with a slow sweep so it could be on all night and "catch" the draw, then based on the amount of amps it's drawing some components could be ruled out...
The 1st step would be to catch the draw.
Personally if it was mine I would burn it(oops  ) I mean I would remove all the unneeded light bulbs from the trunk, glove box, under dash, where ever they are, even the dome light if you could get by without it. I guess if you could go 2 weeks or more that would probably confirm you are in the right area and then just start putting them back, 2 weeks at a time to find the problem child.....
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