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OBD #6 1-1-1 & 2-2-1 with new O2 sensor. And it starts when warm!? 700 1990

uid 18083's pic
posted by  lucid on  Sat Jun 14 13:47 CST 2014
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

"Do you loose radio static suppression if you jump wire the RSR?"
• I don't think so, assuming the RSR lives up to it's name. Because the jumper just insures that the injector voltage is always available, like an RSR that is always activated. The injector's ECU-controlled ground side is always open when the Key is Off.

>"Are Air Temp Sensor and MAP specific to Regina?"
• Yes. My guess is that it's a legal issue precluding Bendix-Seimans from using any Bosch products in their Fuel and Injection control systems. As to why Volvo chose to go with the non-Bosch system (seemingly out of the blue) it's a mystery to me. But after 11 years with my 940 Rex-Regina, I find it totally the equal of the Bosch equivalent.


--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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