Chrysler Repair Questions? Ask a Mechanic for Answers ASAP
Hi There, I'm Clayso a certified master automobile technician with 30 years of automotive repair and diagnostic experience.
From your description most likely the Intake Manifold Assembly will have to be replaced and the PCM reflashed. Chrysler issued a service bulletin concerning the DTC P2004. The link below is the bulletin from Chrysler.
What happens is the intake runners get coked up and stuck from unburned fuel in the intake. Intake cleaning services won't work good enough to free up the intake runners back to their original operation. Original equipment is recommended for replacement.
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