My 1989 chevy s10 blazer wont start?

robert s

New member
ts a 1989 s10 blazer with the 4.3 v6
Spins over well
when I can get it to start it stumbles when i press the accelator down past half way, even when in park and neutral

Its got new:
Distributor
distrubuter cap
Rotar
Spark plugs
Spark plug wires
Fuel pump
Ignition module
fuel filter
Battery
Clean air filter
Fresh oil change/filter
I checked the firing order as someone sugested and it is correct

Would a clogged catalyitic converter cause these symptoms??
 
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