HELP! 07 335i P0171 P0174

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BMW 3-Series (E90 E92) Forum > HELP! 07 335i P0171 P0174

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08-26-2016, 03:24 AM	#1
jz1219 Enlisted Member 4 Rep 42 Posts Drives: BMW X5M Join Date: Nov 2009 Location: Bay Area iTrader: (1)	HELP! 07 335i P0171 P0174 can anyone help me i have 2007 335i 34k miles coupe. I just bought this car. its throwing me P0171 and P0174 running too lean bank 1 and bank 2. I did air leak test. there was no leak at all. No idle problem no misifiring. Last edited by jz1219; 08-27-2016 at 03:25 PM..
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08-27-2016, 03:18 AM	#2
AndyW Supreme Galactic Commander (one galaxy over...) 669 Rep 1,777 Posts Drives: '08 E93, '12 E82, '13 E93 M3 Join Date: Feb 2012 Location: Washington, USA iTrader: (5)	O2 sensors would be my next bet. __________________ Best, Andy '12 E82-PS2,Stoptechs,Clubsports+M3 bits,Accusump,Wagner DP+EVO III FMIC,ERCP,BMS Intake,Mason Strut Bar,Wedge Tune
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08-27-2016, 03:25 PM	#3
jz1219 Enlisted Member 4 Rep 42 Posts Drives: BMW X5M Join Date: Nov 2009 Location: Bay Area iTrader: (1)	bank 1 and 2 ?
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