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good evening my nae is roy and I will assist
the first thing I would do is check the actual fuelpressure to see if the pressure is working cold
you can rent a tester at a parts store.
key on engine off 90-93 lbs
it sounds like you need a fuel pump. I would start there
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did you check for power to the fuel pumps??? did you check the pressure???
thats correct. there should be a valve there to hook up a pressure gauge