OT: New but interesting car battery issue

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On Wednesday, October 12, 2016 at 10:55:42 AM UTC-5, trader_4 wrote:

What if you used the reader and then not reset the code...was it the same result, or was the reset the cause? I'm assuming with the code set, it was in a "fail-safe" or "by-pass" mode...resetting set things as normal, which they weren't.
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On Thursday, October 13, 2016 at 1:59:36 PM UTC-4, bob_villa wrote:

That would have been an interesting test, but too late for it now.

AFAIK, it wasn't in a fail-safe or bypass mode. The code was for the catalytic converter not operating at correct efficiency. AFAIK, it takes something more than that for the car to give up and go into a fail-safe mode, but I guess it's a possibility, that with the check engine light on, some other unknown load gets disabled. But can't do the suggested test now, it's fixed.
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On 10/12/2016 10:55 AM, trader_4 wrote:

Irrelevant, the fact is that whatever little current the code reader draws it was sufficient to "flatten" the battery
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On Thursday, October 13, 2016 at 8:16:40 PM UTC-4, philo wrote:

Obviously you're jumping to conclusions that are unsupported. It's impossible that a small hand held code reader could draw enough power to "flatten" even a poor battery in just a couple of minutes. A battery that could start the same car fine 10 times the same day. It's almost certain that it's some other effect that's responsible, other than the small current drain from the code reader. Just because the car won't start after using the code reader to reset the codes doesn't mean that the current draw from the reader was responsible. How could a device that doesn't even get warm, draw enough power to drain down a battery in just a couple mins?
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On 10/13/2016 07:26 PM, trader_4 wrote:

I could be wrong of course.
That said, if the battery has enough power to start the car once...it will of course immediately get charged again.
If you took the ignition wire off and could crank it several times then the battery of course should not have been drained by the code reader
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On Thursday, October 13, 2016 at 8:26:05 PM UTC-4, trader_4 wrote:

Good insulation, probably at least R-30. ;-)
(You are right - this thread is getting ridiculous. Par for the course.)
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On 10/12/16 10:55 AM, trader_4 wrote:

Wouldn't jump starting it after using the code reader take the reader out of the loop? Bad connections do some really odd things. Cut rest due to aioe quotation limits.
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On Thursday, October 13, 2016 at 8:48:21 PM UTC-4, Dean Hoffman wrote:

Not sure of your point. The jump starting was done, I think, with the code reader no longer attached. But even if it was, so what? The additional battery supplies a lot more power to overcome whatever is going on.
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On 10/14/16 12:39 PM, trader_4 wrote:

Neither am I now that I've reread of what I wrote. Dummy attack on my part.
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On Sunday, October 16, 2016 at 12:15:19 PM UTC-4, Dean Hoffman wrote:

If Stormy was still around he'd chastise you for apologizing on the internet. You're supposed to argue your point even if you don't know what you meant. How dare you acknowledge your own shortcomings in public? Shame on you!
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