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740 w/Regina has yellow fuel injectors? 700 1990

posted by  springlizard on  Tue Jan 19 07:39 CST 2010
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last visit: Mon Aug 5 07:02 CST 2013
[RELATED]

Newly acquired 1990 745 has Regina/Rex coil pack, air temp sensor instead of AMM, Regina style IAC and MAF sensor but the fuel rail is fitted with yellow-topped fuel injectors and the larger (cheaper) Bosch FPR instead of the blue-topped injectors and smaller (but very expensive) FPR. The usual parts sites (ipd, fcp groton, eeuroparts) all say the yellow injectors are Bosch system and blue are Regina. What gives -- did Volvo mix and match some model years? Or has the previous owner put in the wrong (but cheaper) injectors?

The car runs well but I haven't had it long enough to calculate gas mileage. OBD says "1-1-1, so no trouble codes.

I have access to a set of blue injectors and Regina FPR off my now-defunct 945 if I need to swap.





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