Hey guys,
Changed the stock plugs on my 4.7L to Bosch +4 platinums. Damn those things
are expensive. After shewing away a few check engine lights the truck runs
a little smoother. I can feel a definite smoothness in acceleration.
Here's a question. On two of the bolts that hold down the coil unit thing
is a bracket with some sort of sensor connection on it that is not connected
to anything. Any one know what these are for?
Another question, I remember plug colors meant stuff, but I can't remember
what. The Champion plugs were all white with a black dusting over about 1/2
the electrode area. Does that mean anything good or bad?
And by the way, it must have been the gorilla's day off. The original plugs
were barely hand tight.
Jay W
4.7L Auto Sport+ C.C. 2wd Black
Mods Profile page at
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