The Bosch 13308 is for California 1993 240's Does anyone know if this sensor will work in a Non California 91 or 92 240?
Thanks
Dan

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.

The connectors are the same this model # sells for twice the amount of the one for the 92? What is the difference?