[Steelhead]

Yes it was still under MFR warranty
only 25000 km when the issue appeared
But I don't see if one shows them the article ( its a known issue)

I did find this at end of TSR
POLICY:
Reimbursable within the provisions of the warranty.

Did this problem happen before you initial 3yr has expired.
If it has then there could be a case
__________________________________________________ ______________
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 09-005-05, DATED
DECEMBER 2, 2005, WHICH SHOULD BE REMOVED FROM YOUR FILES. THIS IS A
COMPLETE REVISION AND NO ASTERISKS HAVE BEEN USED TO HIGHLIGHT
REVISIONS.
SUBJECT:
Multiple Cylinder Misfire Or Rough Idle
OVERVIEW:
This bulletin involves rotating all engine exhaust valves, replacing the valve spring retainer
locks with a new design to increase valve rotation at lower RPM, inspecting/replacing the
MAP sensor (as necessary), and decarbonizing the combustion chamber.
MODELS:
2004 - 2006 (CS) Pacifica
2005 - 2006 (LX) Chrysler 300/Magnum/Charger
__________________________________________________ ______________

If it was me at least I would ask the Dealer .