Why are the O2 sensors affected?
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Why are the O2 sensors affected? Expand / Collapse
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Posted 6/22/2008 3:40:07 PM
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The explanation has been given that we have to modify the O2 sensors because they detect the extra O2 introduced into the engine via the electrolyzer. This has not made much sense to me for the following reason:

The oxyhydrogen (Brown's gas) is in a perfect mixture for combustion, with hydrogen:oxygen at 2:1. Therefore, theoretically, all of the hydrogen should burn and use up all of the extra oxygen. So, let's say all of the hydrogen does not burn. Wouldn't any remaining O2 be used by the gasoline as it burns? Since we are supposed to be increasing the efficiency (and burn) of the gasoline by adding hydrogen, shouldn't more O2 be used in the process?

I'd appreciate any feedback on what you think is really going on, or if anyone has a scientific explanation. Thanks!
Post #2053
Posted 6/22/2008 10:50:26 PM
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Here is my take on this. The hydrogen mix is defiantly making the mixture burn more complete and using all the o2. But the sensor and the ecu are not reading the amount of oxygen that should be there according to the auto makers specs. So when there is no o2 in the exhaust gas it says that it needs more gas. To much o2 in the exhaust, because the mixture is to rich and not a complete burn the ecu and o2 sensor will lean it out.

"In the sticks" KS USA

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