09 Ram 1500 w/5.7 replacement engine misfire
Sorry for the long post but I'm totally lost.. I'll start with a little backstory.
Bought the ram 3 years ago, high mileage (200k). Had no issues the first year then started throwing a P301 code under a heavy load around 4000 rpm. Changed plugs...
I've had this truck for two years now, and since the day I picked it up it's had a misfire on cyl 1. Never bothered to dig into it until now, as it has been easy to avoid. Now I'm looking to haul a few things around that's changed and getting it fixed has moved up on my priorities.
So since...
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