1994 Chevy S10 4X4 4.3 TBI engine.
A while back the engine would gradually slow down and die. Will not idle. I have replaced
the map sensor, taken egr valve off and cleaned, new temperature switch, different throttle
body, new fuel pump and filter, and new computer. It runs fine for a few minutes and the
start idling really rough and eventually dies. Checked all vacuum lines. Any ideas?
I have also recently changed plugs, plug wires, and coil.
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