From: Mil-Veh Co. (milveh@sbcglobal.net)
Date: Wed Dec 22 2004 - 15:54:17 PST
--- Joe Scheaffer <jsinvent@charter.net> wrote:
> Be sure you...
> Check for any pinched wires to the coil etc. in the
> distributor. (Had this happen on my M422)
Checked for continuity, all fine, the other 3 plugs
seem to fire fine.
> Check for continuity on the inner cap between the
> spring and the part the rotor runs on.
Well if this was bad seems like none of the other
plugs would fire, I will recheck but I changed the
dist. cap and still have the same problem.
> Check for continuity between the rotor contacts
> inside the cap and where the plug wire make contact
outside.
Did that, checked for resistance with OHM meter. was
fine.
> Check the rotor and rotor contacts in the inner cap.
> Be sure they are free of carbon.
Did that and all clean.
Spark is really weak, about 10% of what it should be,
but there is spark.
All good ideas, thanks Joe.
>
> When it had fire, was it a good, strong, blue spark?
> When firing correctly,
> it should arc 1/4-3/8"
> Good luck,
> Joe
>
> "Mil-Veh Co." wrote:
>
> > Q. Which is the #1 plug on the M151 distibutor?
> >
> > I am double checking the plug wiring because I've
> had
> > them off for cleaning and I can't get one plug to
> fire
> > for some reason and I've tried everything else.
> >
> > Its the #3 hole counting from front to back, just
> > won't fire.
> >
> > I've changed the distributor cap, the wire, the
> plug,
> > still won't fire...compression is good.
> Electronic
> > ignition. Trouble began when plug was loose, I
> found
> > the problem, tightened it up and thought it would
> > work...then it got worse until just won't fire at
> all
> > now.
> >
> > Thanks in advance!
>
>
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