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- - Engine Code (http://www.wrxtuners.com/forums/f70/engine-code-33396/)
I got a an 06 wrx every once in awhile when it gets cold or i drive into a change of altitude it throws an engine code P0171 Lean Bank One any ideas on what it is and or how to fix
Clean your MAF with MAF cleaner and unplug the neg terminal for a little bit. Button it all back up and see if it comes back.
If it's the o2 sensor, you will throw another code the next time.
Also, try here:
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