I have a 1988,volvo 240 wagon small 4 cyl, 150k miles , it stoped running 3 months ago, this spring i found an salvage air flow meter and replaced old one, car cranked and ran well for a couple of days, then quite again, now i have spark, timming good/belt ok, fuel getting to injectors, est pressure 10psi , but car won't try to start , suspect injectors not getting signal, caint feel them click, not really a volvo man really need some help here, thanks, strib.