Wideband O2 sensor depth affecting reading???
03-06-2007, 05:37 PM
#1
Wideband O2 sensor depth affecting reading???
Is it possible that you could get extra rich reading from a wideband O2 if the sensor is not deep enough in the pipe........
Ever since I redid my setup, my wideband is reading about 1.0 rich all the time. I had to have some exhaust work done, and they put a new bung in the exhaust......well, I took a look at it today and it seems to be a thicker (deeper) bung than I used to have. This bung would seem to not allow the wideband O2 to go as deep into the exhaust tubing. I am talking about probably only 1/4" less depth into the pipe. what do you guys think?
Ever since I redid my setup, my wideband is reading about 1.0 rich all the time. I had to have some exhaust work done, and they put a new bung in the exhaust......well, I took a look at it today and it seems to be a thicker (deeper) bung than I used to have. This bung would seem to not allow the wideband O2 to go as deep into the exhaust tubing. I am talking about probably only 1/4" less depth into the pipe. what do you guys think?
03-06-2007, 07:53 PM
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At least for narrowbands the depth of the sensor has no effect on the reading. Worst case scenario it would delay the response time of the O2 sensor to a exhaust mixture change so a O2 at the manifold with pleny of exposure to the exhaust stream might show a reading a few milliseconds sooner then one mounted where your sensor is but the end result (the reading) should be no different unless there is an exhaust leak around the wideband..
03-06-2007, 08:14 PM
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Originally Posted by QuadCam
i just don't know why all of a sudden it is off so much. 
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03-07-2007, 09:22 AM
#8
Originally Posted by QuadCam
Is it possible that you could get extra rich reading from a wideband O2 if the sensor is not deep enough in the pipe........
Ever since I redid my setup, my wideband is reading about 1.0 rich all the time. I had to have some exhaust work done, and they put a new bung in the exhaust......well, I took a look at it today and it seems to be a thicker (deeper) bung than I used to have. This bung would seem to not allow the wideband O2 to go as deep into the exhaust tubing. I am talking about probably only 1/4" less depth into the pipe. what do you guys think?
Ever since I redid my setup, my wideband is reading about 1.0 rich all the time. I had to have some exhaust work done, and they put a new bung in the exhaust......well, I took a look at it today and it seems to be a thicker (deeper) bung than I used to have. This bung would seem to not allow the wideband O2 to go as deep into the exhaust tubing. I am talking about probably only 1/4" less depth into the pipe. what do you guys think?
Trust me, it can't possibly make a difference...the diameter of the whole INSIDE the sensor core that lets in the gas to be analyzed is the size of a human hair. Hence, ther is no way that an increased/decreased flow of air due to the depth in the pipe can make a difference.
No worries there bro.
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