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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - California > P0171 lean bank 1?



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      12-26-2013, 10:54 AM   #1
rondeeezy
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Drives: 2007 335i Sedan
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P0171 lean bank 1?

Hey all. My buddy pulled this code from my car and we've reset it a couple times but it keeps showing up. So I just decided to leave it on. P0171 system lean bank 1. I am not experiencing any misfire or anything crazy. My car is my DD It's just that this ses light is bothersome now and I don't want it to lead to any bigger problems. I've heard that my car (2007 335i) has a MAP and not a MAF sensor? Any tips? All I can think of is replacing my 02 sensor, what a pain in the pocket.
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