I am hoping there are some mechanics out there that might point me in the right direction. I have a 94 s10 blazer with the 4.3L vortec CPI(multiport) motor. About a month ago it started to become hard to start. It is taking 2 or 3 5 second cranks to get it to fire up. Now all of a sudden it starts sputtering and dies or almost dies when it is warm. It sputters really bad to where I basically have to cruise at a rough idle. The fuel pump is workign. I hear it fire up when I turn the key and I also pressed the fuel bleed valve and fuel spit out pretty good. Any ideas on what to check or replace?
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