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Old 06-18-2010, 01:51 AM
benbob benbob is offline
Dodge Ram Forum Newcomer
Join Date: Jun 2010
Location: Rhinelander WI
Age: 28
Posts: 13
Gender: Male
Vehicle: 2004 Dodge Ram QC Long box 2wd
Trim Level: SLT
Color: Silver paint code ps2
Engine: 2002-2007 287ci (4.7L) PowerTech V8 235hp 295lb/ft
Rep Power: 0
benbob is on a distinguished road
Smile Questions regarding cat deleting

Hello! I was wondering if anyone knew anything about taking cats out. I have a '04 Ram with a 4.7l and I put headers and magnaflow mufflers on it and took the cats out. I also put a rear o2 simulator in. It is part of an experiment I am doing with mpgs. It seems to run fine, but the check engine light is on with the codes p0171 and p0174 and it seems to be running rich. Does anyone have any suggestions or help?
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