Not to worry friend, when my car go sick i avoided going to mechanic looking for DIY_Repair when I found this website https://big-manuals.com/products/dodge-ram-3500-2006-2007-workshop-service-repair-manual
and this book helped me repair it within an hour, all by myself!!!! It's amazing, no hassle at all

From wiring diagrams, schematic illustrations, spark plugs info, parts info, stepwise instructions, torque specs, error/fault codes, engine info, to every single minute parts, you get everythingg in there you can't imagine how detailed it is