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Bosch 13308 O 2 Sensor Applicability 200

posted by  bosozoku on  Sat Jun 25 13:26 CST 2005
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last visit: Fri Feb 16 14:31 CST 2007
[RELATED]

Sure, but the connector might be different (almost all 3-wire oxygen sensors are electrically identical). You can solder your old 2-wire heater connector onto the two white heater wires coming from the sensor, and attach the old signal connector to the black wire using a crimp splice and heat-shrink tubing as insulation. Don't solder the black signal wire, since the sensor gets its reference oxygen supply[*] by way of the space between the insulation and the metal of the black wire, and you don't want to block that path.


[*]- an oxygen sensor is essentially a battery that produces a voltage if the oxygen concentrations on the 2 sides of it (atmosphere and exhaust) are different. Lean mixture = a lot of oxygen in the exhaust, so not much difference in concentration. Thus low output voltage. Rich mixture = little oxygen in the exhaust, so a large concentration gradient, giving a high (about 0.9V) output voltage.


-b.






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