Honda WB Sensor question

[Richard Wakeling]

Hi John and all,

    A thought crossed my mind about these four digits stamped across one of the
hex flats near the threaded section of the WB sensor. Could these four digits
correspond in some way with the calibration resistor in the plug or the heater
resistance.

I have two and they measure up as follows.

Hex marked 0113,  Cal resistor   4.31 K ohm, Heater resistance 3.1 ohm.
Hex marked 0717,  Cal resistor 11.83 K ohm, Heater resistance 3.2 ohm.

Could I ask all of you who have the same type of WB sensor to post the same data
and see if it there is any intelligence to these digits.

TIA
Cheers Richard



John wrote:

> Hi,
>
> I just ordered the WB sensor from thepartsbin.com and had a couple
> questions regarding it-
>
> First, here's an excerpt from Mark that posetd his info- "Looking at
> the one I have from NAPA, OS-791, it has stamped on the body
> approximately 1/4" down from the wiring juncture, the letters "L1H1". Next
> row has "NTK   JAPAN" with "OYO2" stamped on one flat of the nut face. There
> are 5 wires but there are seven pins in the plug. The cal resistor is across
> the two pins with no wiring. With the offset directional guide for plug
> orentation on the top, the wiring, top row, left to right is blank hole,
> red, white, black. Second row again from the left, orange, yellow, blank
> block where the cal resistor is located. Hope yours is right but it sounds
> like you are missing the wiring for the cal resistor.
>
> Mark"
>
> 1- On the nut face, I have 'OYO1' stamped on there instead of 'OYO2'-
> something to worry about?
> 2- The wiring looks the same- but do I assume that the resistor is
> 'in' the blank block?
>
> thanks,
>
> John
> --
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