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rough idle and MAF or FPR 850 1994

Hi,
I'm fighting bad idle with symptoms similar to having choke on ie. rich fuel.

Had a MAF swap without change and thinking of looking into fuel injectors and FPR now. Does anybody know the rigth regulated pressure the injectors should have on delivery bar side? I'm measurig values like 2.5 to 2.8 bars but what it should be? If it is around 3.3bars is the difference making the problems on idle as the power is there when really pushing the pedal? Tapsa






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