It will literally take you 5 minutes to open the hood pop off the engine cover, get a coilpack out and pull one or all the plugs (they are all in line and accessible.

Check out the hole when the plug is removed, if there is a puddle of oil, you'd know it. Some oil residue is ok.


If not that, I'd look into your ICV, did you take it off when you cleaned it while replacing the intake boot? If you left it in situ while replacing the intake boot it may be clogged (look up ake53's thread from when he replaced his intake boot, he tried just spraying carb cleaner in it and ended up having real shitty running car until he fixed the ICV)

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards