Running lean after bolt-ons...
Ok, so as I guess is the typical case... I'm now finally running lean according to my ecu after about 3 weeks with almost all the bolt-ons on. The last addition was Kook's L/T's which threw a code at first, then it corrected it self, and then threw the codes again monday. MIL has been on since due to P0133, P0153, and P1151. It still feels the same driving, so I'm not too worried about it, but I don't know if I should be. What I want to know is what are your suggestions to remedy this... Would a larger injector cure this? A custom tune easiest route?? Am I causing any harm by driving under (normal conditions of course) for any certain period of time. All mods can be seen in my sig and thanks for any info.
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2002 Mustang GT, 271hp/306tq on 87 CMR Tune, Roush short throw rally style shifter, King Cobra Clutch, Roush CAI, C&L Plenum, BBK/Roush 75mm T/B, Kooks L/Ts w/catted X, Bassani Cat-back, Eibach Pro-kit Springs, Energy Suspension bushings, KYB AGX's, Hotchkis C/C plates, UPR ProStreet rear control arms, Brembo Drilled/Hawk pads, BFG's, Dual Halo Projector 8k HIDs, Kenwood: KDC-X790, KAC-9102D, KAC-8402; Infinity: 6810CS, 6812CF; Orion: P series subs all powered by Optima 
My car http://www.cardomain.com/ride/2628572
My truck http://www.cardomain.com/ride/2206751
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