New spark plugs, what a difference

[Paulpt]

Following the valuable DIY instructions somewhere in this forum, I've decided to replace the spark plugs, something that was long due (91K miles on a 2001 3.0). What a difference ! I went with the OEM (NGK about $ 15 ea) but the car runs like new. Smooth, starts right away, has more power and I do not hear a tic tic noise I used to hear when at idling RPM's.

The only thing I did that was not mentioned in the tips was spraying a bit of silicone dielectric spray on the connectors to the plugs (no clue the technical name for it, but they are those long rubber things that go into the plug).


I did notice though that when I removed the plastic cover all the components inside where clean as a whistle, not even a hint of dust (even the inside of the cover was super clean). The plugs where 100% free of oil or any fluids, just seemed like rusted, but I think it is simply from regular wear. (see pics). I am happy to see that the engine is still clean at this mileage. Did replace the air filter too and the micro filter (the latter was incredibly dirty).

I wish I would have done this long time ago, maybe at about 65 / 70K miles, and that's why I am posting this, just as a suggestion to those wondering if they should replace the plugs only at 100K. Easy job to do too.

Good luck.