If you had recently reset your MPG reading with the EVIC it will show huge gains, or in your case reductions, in your readings. That being said, I also believe our HEMI's use a lot of gas when idle. Once you get rolling again it will go back up. I dd the same last week. I sat at an intersection after a recent reset and the MPG ticked while I watched down to 9. something. I left it alone and by the end of the week I nursed her back up to 18 MPG. All local in town driving too.
05 Brilliant Black Magnum RT
Flashpaq V1.00
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