That's what I get for trying to help trouble shoot right after
working a mid-shift.  I must have over simplified a bit. Allow me to
elucidate.
        He established there is a problem with cylinders 2 & 4. He said
he replaced the plugs, cap and rotor, if memory serves me, but not the
wires. I have had a plug wire fail inside the metal shield at the plug
end.  A small hole developed in the rubber, internal boot allowing most
of the spark to flow directly to ground. If he swaps plug wire # 3, for
plug wire #4, and repeats the "rpm test", he should be able to see if the
problem follows the wire or not. I suggested 3 & 4 because they are
easier to reach. Worked for me.
        Same for the injectors. Though a smaller probability, I thought
that possibly; the signal wasn't getting to the injectors. Swapping the
wires to injectors 3 & 4 and repeating the "rpm test" would be easier(
and safer) than pulling the injectors. If you pulled the injectors first,
and found a problem, you would still have to test the wiring.

Good Luck and Drive Safely
Ken Lewis
86 Crewcab, 60 356 T-5
http://Neksiwel.20m.com/

On Wed, 11 Dec 2002 08:45:21 EST George Goff <THX0001@AOL.COM> writes:
> In a message dated 12/11/02 7:13:53 AM, kdlewis@JUNO.COM writes:
>
> << Swap 3 & 4 spark plug wires then repeat your test. If #3 now has
> no effect
> on rpm the wires are bad. If no change, swap the injector plugs
> (they all
> fire at the same time) and repeat your test. >>
>
> What on earth is this futile exercise supposed to prove......

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