Chevrolet Repair: Lumina van engine problems, throttle position sensor, lumina van

Question
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Followup To
Question -
I have a 1995 large v6 lumina van.#1  cyc not firing,All elect working.fuel pump ok,low power on take off,then lunges without moving throdal setting,have changed plugs,wires,coils,computer has no  instructions or promps in it,mechanic stumpt.engine also shakes while driving.Could the computer be bad?please help.fule pump bypassed no help.


Answer
Hello Louis,
I appologize for not answering the question sooner.
I was out of town, and signed out on vacation, but the All Experts system let me down, and didn't get my vacation posted.

I don't see a new question, but the throttle position sensor is a possibility, as well as a broken valve spring.
I can't access the question from tha last time you asked.
Van