Bosch 4&3wire sensor

[Fred Miranda]

Doug,
NTK makes low buck 4 wire units.
Mitsu Eclipses use them.

Fred

At 07:19 AM 11/8/96 +1100, you wrote:
>Hi in a 4 wire O2 sensor you have sensor gnd, earth, heater =ve, and
>signal
>in a 3 wire heated is it common ground, and there fore will it upset my
>autronic SMC if i use the chassis ground effectively for both for this
>function. if i then conect sensor ground to chassis will this upset
>things????
>
>have plenty of 3 wire ones free, 4 wire ones 350 dollars
>
>
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