I recently changed the cap, rotor,plugs, wires, fuel pump, and air and fuel filter.
My van had exact same problem. Was the fuel pressure regulator. I suggest test that.
SOURCE: 93 chevy g20 van
More than likely it's the distributor. They have a tendency to build up corrosion and rust and have personally went through the same situation three weeks ago on a suburban. Check to see if you are getting spark from the distributor first. Have the ecm in the distributor checked at Oriellys for free. It's under the rotor and has two 8mm head bolts with wires plugged in at each end.
SOURCE: 95 chevy truck 4.3 motor has like a miss in high gear after warms
The fault could be in the ingnition module in the dist.I had a car one time that did the same thing but when it was cold,try replacing the the ignition module.
SOURCE: 1997 chevy silverado 1500 350 vortech, new fule pump not working
before you drop tank again, check fuses & relay.then disconnect fuel line @ filter turn key to on position should hear fuel pump run and get gas stream out of line. if no flow from line new pump faulty be sure & remove negative battery cable first good luck.
SOURCE: sons 94 honda civic starts but have to pump
Check your cold start injector, sit on top of intake.
SOURCE: 1997 Chevy Silverado, Starting issue: I have
The best way to help find the problem, is to have a fuel pressure test done on it, that will tell if the fuel pump is weak, or the fuel pressure regulator is malfunctioning. If the pressure is low, the fuel pump is weak,
if it is high, the fuel regulator is at fault.
Testimonial: "Great Advice, found problem, now new problem, but very helpful"
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