 
				
	| 2004 BMW X3 3.0i 3.0L Poor Idle Quality, MIL Lamp on This car has been back 3 times while we try and sort this mess out. The first two times it only had the O2 sensor codes. We replaced the sensors and recommended going to BMW for the software update. For some readson the changed the VTG oil and didnt do an upda... 
                        
                            FIX posted 8/20/2009
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 8 Replies Received (View Replies)8 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | WBXPA934X4 | 
| Engine | 3.0 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, MIL Lamp On | 
| Occurs | Idle | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0174 | Fuel System Too Lean (Bank 2) | 
| P0300 | Multiple Misfire Detected | 
| P0304 | Cylinder 4 Misfire Detected | 
| P2240 | Air Fuel Sensor (Bank 2 Sensor 1) I/P Line High Voltage | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2004 BMW X3 3.0i
| VIN | WBXPA934X4 | 
| Engine | 3.0 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, MIL Lamp On | 
| Occurs | Idle | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0174 | Fuel System Too Lean (Bank 2) | 
| P0300 | Multiple Misfire Detected | 
| P0304 | Cylinder 4 Misfire Detected | 
| P2240 | Air Fuel Sensor (Bank 2 Sensor 1) I/P Line High Voltage | 
 8 Replies Received
8 Replies Received
 8 Replies Received
          8 Replies Received
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