 
				
	| 2007 Buick Lucerne CX 3.8L MIL Lamp on I have made several attempts but the code did not reset and the obd2 monitors have not completed. Originally there was a hesitation from dirty maf and catalyst efficiency issues. Is there anything that can prevent the monitors from completing ? Fuel trim... 
                        
                            Summary posted 3/25/2019
                               
                    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 16 Replies Received (View Replies)16 Replies Received (Hide Replies)
 | Message Closed w/Summary 
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| VIN | 2G4WJ58257 | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / sfi | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Not Applicable | 
Trouble Codes
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2007 Buick Lucerne CX
| VIN | 2G4WJ58257 | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / sfi | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Not Applicable | 
Trouble Codes
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | 
 16 Replies Received
16 Replies Received
 16 Replies Received
          16 Replies Received
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