Questions tagged [voltage]

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Faulty Motorcycle Regulator?

I am on my second 12v motorcycle battery in a couple of weeks. Will a faulty regulator, ie too higher volts, cause this? Also I have upgraded my ct110 to a 160cc, all works well for a few days, then ...
3
votes
1answer
346 views

How do you know if the replacement battery is a good one?

How do you know if the replacement 12V battery is a good one? The 000 915 105 DE one I got for my 2008 Jetta 2.5L SE appears to have the "9/16" sticker on it, as well as "3216" inscription (which may ...
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1answer
39 views

Upstream O2 sensor stays at 0.4V

To test the upstream O2 sensor on a 2011 Toyota Corolla, I backprobed it with a multimeter. After I idled the engine for a few minutes to warm it up, the multimeter shows a steady voltage of 0.4V. But ...