Focus Fanatics - View Single Post - crappy fuel mileage
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Old 01-10-2013, 06:43 PM   #26
Focus Enthusiast
Join Date: Nov 2011
Fan#: 91777
Location: Rockford, IL
What I Drive: 2003 Pitch Black ZTS Sedan

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I unplugged my DPFE this afternoon. The CEL came on when I pulled out of the garage this evening. I assume that's a good thing? Should I leave it disconnected to see if MPG decreases further to see if its 100% working or not?
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