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2010 E350
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Brian Kelsey Offline
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Post: #1
Question 2010 E350
I NEED HELP WITH THE WIDE BAND DEVICE. i AM GETTING 2.7V AND THE ADJUSTING SCREW DON'T SEEM TO CHANGE THE VOLTAGE. I AM PROBABLY DOING SOMETHING WRONG.
I HAD A MECHANIC INSTALL THE EFIE AND HE EMAIL YOUR COMPANY WITH QUESTIONS ON THE WIRING DIAGRAM AND WE ALL THINK IT IS INSTALLED CORRECTLY.
(This post was last modified: 01-31-2012 11:30 AM by Brian Kelsey.)
01-31-2012 11:21 AM
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mike Offline
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RE: 2010 E350
Setting the pots in a Wide Band EFIE won't affect the voltage. It only affects the amperage. The changes in voltage that occur or tiny, and are not informative. So looking for voltage change won't help figure out if everything is working correctly or not.

Are you sure it isn't working? You haven't said any other symptoms, other than not seeing voltage change.

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(This post was last modified: 02-02-2012 12:16 PM by mike.)
02-01-2012 01:48 PM
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Brian Kelsey Offline
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Post: #3
RE: 2010 E350
I am not sure of anything. I am not familiar with this unit at all. All I have is a bit more HP. I am not getting any gains in mpg. The instructions say to set the wide band adjuster at 200mv to start with but what I get is 2.7v and the analog side is reading up to .8 something. I do have led lit. I did have a check engine light on today with a p013e code which is passenger side rear sensor. Computer not seeing enough rich to lean switching.
Please set me straight and tell me how to get some improved mpg. I have a 4 dry cell system hho unit that seems to be working great.
(This post was last modified: 02-02-2012 01:46 AM by Brian Kelsey.)
02-01-2012 05:29 PM
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mike Offline
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Post: #4
RE: 2010 E350
There is a confusion here. If you have a wide band EFIE, then you should not have any instructions about millivolts. So check your device, and check your instructions. If the instruction is about millivolts, its telling you about a narrow band device.

Wide band efies work on amperage - not voltage. Because most people don't have a meter that can measure fractions of milliamps, we don't use measurement as way to set a wide band EFIE. We tell people to set the pot at particular positions on wide band efies.

If you have round pots on your device, then it's a wide band device, but you have narrow band instructions. If you have rectangular pots, then you have a narrow band EFIE - but that won't work on wide band o2 sensors.

So, all i can tell from your post is that you have a confusion on something about this, but I don't know what the situation is.

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02-02-2012 12:37 PM
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Brian Kelsey Offline
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Post: #5
RE: 2010 E350
Mike, Thank you for getting me squared away.
02-06-2012 07:04 AM
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mike Offline
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Post: #6
RE: 2010 E350
Smile

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02-06-2012 08:19 AM
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