Message: My 03 4.7 QC 4X4 tailpipe is always covered in black soot (rich condition). To me that means too much unburned fuel and could contribute to the poor MPG most of get with this little truck. Dodge says "all is fine". Do the rest of you with 4.7s run rich?
Mike
P 1
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Subject: Tail Pipe Soot - Rich Mixture?