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Something I noted today is when idling in drive, the idle seems to level out a lot. Not perfect, but less shaking, less shuddering and on Forscan the fluctuation changes to about 585-605. When put back into park, shuddering increases and idle fluctuation increases and again goes down to about...

This is what I see after a 5 mile drive and idling for about 15 mins. And this is what I see after holding the idle at 1300Rpm for about 3 mins. Nothing close to setting off a light, but clearly missing more on cyl 6. I have swapped plugs, coils and wires twice and nothing new. Lt Fuel trims...

Sorta. When it idles, it’ll idle normally and every half second or so it’ll shudder. It is reproducible up to about 2000rpm and increased with rpm. Some shudders aren’t very noticeable and some feel like it’s about to die. When I monitor the RPM, it doesn’t really seem to dip much when it does...

Hello everyone! I’m Jay. Apologies for the very long first post. My Raptor is a 2011 6.2 with 110k. Bought from the original owner with full service records showing 6k oil change intervals and all suggested maintenance performed. Literally does not have a single scratch on it. I am having an...