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Member
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Join Date: Mar 2018
Location: Moorpark CA
Age: 42
Posts: 477
Real Name: Elliott
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Member
Join Date: Mar 2018
Location: Moorpark CA
Age: 42
Posts: 477
Real Name: Elliott
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I would be looking at the o2 sensors and a/f sensor for bank 2. I had bad fuel trims on both banks with a bad fuel pump. It would start out low, and as the pump got hot, the trims would go up. Didn't help I also had fouling injectors on both heads so sometimes it would go waay out of whack. But my exhaust was never rich, which led me to believe the fuel delivery was lacking, which it was. In your case, rich exhaust means delivery works fine, it's the sensor going nuts causing you to dump excess fuel and probably make the engine run a little rough.
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2007 SR5 V6 4WD 205k, Titanium Metallic. 5100s, OME 885/895, extended rear links, ST Maxx 255/75 R17 on 17x8s, mud flap delete,TB spacer, Spectre CAI, DRL delete, HCF delete, DAC delete, K&N cabin filter, TPMS bypass, Fog light mod, USB galore, dash cam, LED lights all over, rear bumper lights, cbi ditch light brackets w/lights, atrac off, OBA w/2 gallon tank/hidden hook up, Trailgear welded sliders, Rocksteady skids, custom swing-out, 3⁰, SE hood w/working vent, Sprint booster, JET MAF, Kenwood TM-V71a w/motorized antenna, custom dual battery, custom roof rack/lights, custom TRED mount, external 12v, rear diff breather, pck, Freedom UCAs, custom stereo, Aluminum rad, trans cooler, 240A alternator...for now... 
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