help!!

[lebUNIT]

Hey guys i hooked up the car to my OBD II and i got the code P0171: System too lean (bank1). Can you guys tell me more about the code, is it a serious problem, and how can i fix it?
BTW iam running stage 2 kit. 42 injetctors, 2.9" pullet, tune, exhaust. if that helps. Thanks

 

[camopaint0707]

well your too lean, get it tuned again

 

[ff_drift_lol]

i wouldnt do that just yet. that's an o2 sensor code. could just be the sensor or a clogging cat. clear it and see if it comes back. check your plugs. read here: http://www.ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp