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Doble9 12-21-2012 04:40 AM

Engine Code
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

pzr2874 12-21-2012 06:57 AM

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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