 
				
	| 2004 BMW X3 3.0i 3.0L MIL Lamp on Codes store P 0171 P0174 system too lean bank 1 and bank 2. I believe we have two X3's that have similar problem. This one in particular seems to be a bit more lean on bank 1 than bank 2 but both banks are lean in the low range and high rpm range and okay in t... 
                        
                            Summary posted 5/12/2016
                               
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 | Message Closed w/Summary 
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| VIN | WBXPA93434 | 
| Engine | 3.0 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / Port Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Under Load, Idle | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0174 | Fuel System Too Lean (Bank 2) | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2004 BMW X3 3.0i
| VIN | WBXPA93434 | 
| Engine | 3.0 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / Port Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Under Load, Idle | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0174 | Fuel System Too Lean (Bank 2) | 
 18 Replies Received
18 Replies Received
 18 Replies Received
          18 Replies Received
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