| 
	 2008 Buick Lucerne CXL 3.8L MIL Lamp on 
		
		Hello everyone. I have this 08 Lucerne with a 3.8 that is kind of being a bugger. I'll start from the beginning in the order that all repairs were done and results after each repair. Costumer came in with a P0420 no other codes car running good and not... 
                        
                            Summary posted 1/3/2023
                             
                 
                            
                    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 26 Replies Received (View Replies)26 Replies Received (Hide Replies)
       | 
		  
		      
         Message Closed w/Summary 
	   
	   
	   
	    | 
| VIN | 1G4HD57228 | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / MFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | P0420 & Evap System | 
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) | 
Message Closed w/Summary
            
            
 Vehicle Data
                2008 Buick Lucerne CXL
| VIN | 1G4HD57228 | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / MFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | P0420 & Evap System | 
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) | 
                            
26 Replies Received
          26 Replies Received
          
  Related Documents & Media