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Who knows the values of a working O2 sensor?
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freddyhho Offline
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Post: #1
Who knows the values of a working O2 sensor?
Hi to everyone, I been use my dry cell for a month, and barely can see
gains in MPG in my dodge ram 2500 model 1995. I presume the O2 sensor
does not functioning properly, I say this because the readings of the
sensor vary from .130mv to .900mv stock, and using my EFIE setting in
the .200mv send a reading from .250mv to 1.1mv and some times a maximum of 1.3.
So, I want to now the operation values of the O2 sensor to compare whit
the above readings and see if the sensor is malfunctioning, and if this is the
case,put a new one and start to tweaking from the beginning.

SPECS:
1995 dodge Ram 2500
Tero Cell 16 plates 304 grade
PWM Mx066 from bakatronics
13.5 volts, 11 amps, 1lpm
Electrolyzer:Vinager,Baking Soda and Hydrogen Peroxide mix
MAP Enhancer
Poor mans EFIE (using a 1.5v battery)

1995 Dodge Ram 2500
V8 5.9L 360
Tero Dry Cell 19 plates (3 cells 5 neutrals)
MAP and EFIE Enhancers
Water Vaporizer
Gasoline Vaporizer
11-27-2008 07:21 PM
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ghahai ghato Offline
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Post: #2
RE: Who knows the values of a working O2 sensor?
Hmm...
If I set my poor man's EFIE to +300mV I also see a 1300ish signal to the ECU at times.... no CEL light... I'm also wondering if my O2 sensor is actually kapoot...
I'm at 160mV offset at the moment.

check out the O2 signal waveform here : http://www.aa1car.com/library/o2sensor.htm
11-27-2008 08:01 PM
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colchiro Offline
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Post: #3
RE: Who knows the values of a working O2 sensor?
That's the link I would have suggested.

Rick

Links: Documents / Tuning for Mileage | Toyota Sensors | Autoshop Sensor Tutorials
11-27-2008 09:42 PM
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freddyhho Offline
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Post: #4
RE: Who knows the values of a working O2 sensor?
ghahai ghato Wrote:Hmm...
If I set my poor man's EFIE to +300mV I also see a 1300ish signal to the ECU at times.... no CEL light... I'm also wondering if my O2 sensor is actually kapoot...
I'm at 160mV offset at the moment.

check out the O2 signal waveform here : http://www.aa1car.com/library/o2sensor.htm

thanks for the info, I guess I am start to have more knoledge about my
O2 sensor

1995 Dodge Ram 2500
V8 5.9L 360
Tero Dry Cell 19 plates (3 cells 5 neutrals)
MAP and EFIE Enhancers
Water Vaporizer
Gasoline Vaporizer
11-28-2008 03:06 PM
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ghahai ghato Offline
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Post: #5
RE: Who knows the values of a working O2 sensor?
   

When we introduce HHO to the combustion;
The O2 present in the exhaust is high which the sensor detects as the mixture being lean (diagram bottom left - engine running lean, high O2).
Thus, the ECU will inject more fuel to bring the mixture back to normal (diagram top left - normal operation).
So, by using EFIE offset; we are simulating a rich mixture (diagram top right - engine running rich - low O2).
Consequently, the ECU should react by leaning out to bring the mixture back to normal (diagram top left - normal operation).

So, the trick is to ensure the O2 sensor sees a lower level of O2 than normal. Other than extender & EFIE, I'm figuring a chemical approach to this via EGR...
11-28-2008 08:22 PM
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