"Could it be that they are dirty due to the
previous incomplete combustion?"

               No chance.  You have other problem, obviously running
rich.  How is the power in the motor?  If low, you may have
a clogged CAT.   BTW if those plugs you put in are the single
electrode, they are going to kill your coil, and leave you stranded.
I've seen that several  times.
                                               Eric

Ryan Dawson wrote:

>Hi everyone,
>
>Well, I thought that I had made the neccesary repairs and replacements to my
>fuel mileage problem.  Below is a list of the adjustments that I have made:
>
>1. new fuel injectors (manufacturer - Echlin)
>2. new air filter
>3. new spark plugs (platinum)
>4. new oil and filter
>
>There are no leaks in the system, as far as I can tell.  The problem is, I
>installed the spark plugs yesterday evening, and then drove about 5 miles, and
>when I came back I realized that I forgot to check the gap spacing on them.
>So, I took the plugs back out, and they were BLACK again!  I'm going on a
>camping trip today and am hoping to get better fuel mileage than a Hummer!
>Does anyone have any ideas?  Could it be that they are dirty due to the
>previous incomplete combustion?
>
>Any thoughts or theories are welcome!
>
>Thanks in advance,
>Ryan
>
>
>
>