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"California Only" Oxygen Sensors 1993 240?

cleanflametrap

Well-known member
Joined
Sep 3, 2009
Location
near baltimore
I thought this was a mistake: FCP Catalog page

Look at the heater connector on the part labeled with what looks like Volvo p/n 6842910 (Bosch 13308)
Other parts sites claim this fits only two cars, a 93 244 or a 93 245. Here it says a California-delivered 93 940 NA also needs it.

My friend in California has this trans-gender OS heater connection -- obviously built that way in Sweden. Why? Or more to my chagrin, why have I never heard of it? My parts fiche makes no distinction here for the harness or the sensor assembly.
 
I wonder if the resistance of the heater element in the O2 sensor is is different between Cal and non-Cal.
 
Part #6842910 only appears in the '91-'93 940/960 parts catalog. The notes say that it's for '93- B230FD only.
 
I wonder if the resistance of the heater element in the O2 sensor is is different between Cal and non-Cal.
I wonder too. Though I've learned to regard remotely-taken low-ohms resistance readings with some skepticism, my California friend has proved the heater does function, just the numbers don't match the ~4 ohm cold/ ~13 ohm heated measurements I'm used to. He sees 2 ohms cold, 9 when disconnected warm.

This may get updated again after I see my daughter and verify her 93 sedan (surely 49-state) has what I expect to see at the heater connector. My records show me splicing in a universal (4-wire) in hers roughly 7 years ago.
 
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