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Message: <blockquote data-quote="Orange 94" data-source="post: 1180011" data-attributes="member: 17635">This thread will cover some of the common problems with 3.8L V6 in the SN95. The information in this thread was provided by members of our community, thank you all that helped.If you have any questions after reading this thread please try using the   search bar located in the top right. Chances are there is already a   topic covering your exact question.After trying the search bar please feel free to start a thread in the   appropriate section for addition information. Our community is happy to   help!Lastly, if you have any corrections or addition information please post   it in this thread! I'll add the information to this first post!Thanks!1. Hanging Idle.Solution: Remove IAC, clean and make restrictor plate. Or search for the vacuum leak causing the problemsilverv6, g36 monkey2. Head gaskets eventually go.Solution: Replaceg36 monkey3. Coil pack goes bad. Causes misfiring.Solution: Replacedrewskee89, Orange944. Lack of power.Solution: Like all engines there are many ways to add power. The v6’s have more potential than they are credited for. They can be built for more power surprisingly easy and fairly cheap.In my opinion, the best upgrade for the best price is putting in new rear end gears. I would recommend upgrading the rear end to a 8.8 and doing either a 373 or 410 swap.Boost (Turbo or Supercharger) also is a great way to add power, but requires more knowledge and work.If you’d like more information browse the v6 section and/or start a thread for help from our community.Orange94</blockquote>