Q: What causes black smoke to come from exhaust. on 2004 Chrysler 300M

Enthusiast 01be16a5a93688912f14755221fb15211b518d9a788cf01b455e03cc1bd585ac
Hard starting, rough idle, smell gas fumes and black smoke inside the tailpipes....
(1) Answer
The engine is running too rich (getting too much fuel). This is a sign of a pretty big issue that needs to be checked out by a shop that can diagnose this fuel injection control system.
Here are some if you need one:
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