300c 2006

Hi, I'm gonna start off by saying I'm not very car savvy yet at diagnosing problems, so hopefully this is something simple one of you have experienced before & can point me to the best place to start with fixing it so I don't have to replace anything unnecessary. So long story short I bought an...

So I’ll be as thorough as possible. Have a 2006 Chrysler 300C 5.7 hemi. Intake, 90mm throttle body, and basic OTC tune to 93. Had it like this since last July. No issues, recently car has been sputtering in the low rpm’s. Changed the coils and plugs again, and it went away for a little bit and...