it is leaking from the valve cover gasket. when the car sit long enough, the oil will leak down to the plugs.
Fallow the plug wires!
I would replace the spark plugs after 50K, the wires and plugs again at 100K.
They are screwed into the engine at the ends of the spark plug wires.
Need to replace rear spark plugs
champion plugs for the part # call your dealer
Check spark plugs, plug wires, do a compression test
The torque specification is 13 foot pounds or 130 inch pounds for the spark plugs on a 2007 dodge caravan 3.3 liter
Disconnect the battery, remove the spark plug cables and covers, and remove the old spark plugs. Next, put in the new spark plugs, attach the spark plug cables and covers, and connect the car battery.
1-2-3-4-5-6
my van will crank, but won't start, had spark plugs change
1-2-3-4-5-6, but the cap is not in that order.
The Dodge Hemi's have 2 spark plugs per cylinder which equals 16 spark plugs