Marlon, thanks! :) My 04 Dakota has the 3.7 and sounds just like that at idle. I was wondering for the longest time because I grew up with OHV engines that always seem very quiet. Just assumed it had to do with the two cams.
Peace. :p
This is also one reason to never use Octane Booster from the bottle to the tank. Reason being is the methanol used in a lot of those (some FI cleaners use methanol as well), which is bad for these engines. Sorry for adding to an old post btw. ;)
As a funny, my XJ (Cherokee) with the tiny...
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