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wideband o2 sensor calibration info?

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Old Aug 16, 2002 | 03:30 PM
  #1  
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wideband o2 sensor calibration info?

Guys,
I'm looking into building one(got the sensor, working on the component bom). I've looked at the wb website, especially in the testing section. I'm just a little unclear about one thing, the calibration resistor. Does this need to be added to the unit to set the stoich point voltage? It seems to be just a test to verify that the current pump is working, there's really not a whole lot mentioned about it, but it says something about being in the sensor harness? can anyone shed some light?? many thanks. Joe
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Old Aug 16, 2002 | 11:22 PM
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Re: wideband o2 sensor calibration info?

Originally posted by jwscab
Guys,
I'm looking into building one(got the sensor, working on the component bom). I've looked at the wb website, especially in the testing section. I'm just a little unclear about one thing, the calibration resistor. Does this need to be added to the unit to set the stoich point voltage? It seems to be just a test to verify that the current pump is working, there's really not a whole lot mentioned about it, but it says something about being in the sensor harness? can anyone shed some light?? many thanks. Joe
The calibration resistor is part of the sensor. You have 7 leads going to the sensor connector, and 5 going to the sensor, the 2 are used for calibration resistor that's in the connector.
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Old Aug 19, 2002 | 07:40 AM
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Ah, I see, that would explain it totally. Guess I haven't looked that closely at the sensor yet. Thanks for the info Grumpy!
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