 
				
	| 2003 Pontiac Grand Prix GT 3.8L MIL Lamp on Hi all, and thanks in advance. I have this Grans Prix that came to me on 5-09 at 97k miles with a converter plugged. We replaced converter with aftermarket. I have used these converters and have not had any problem with them. Car returned in 11-09 @102k miles ... 
                        
                            FIX posted 5/21/2010
                               
                    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/FIX 
 | 
| VIN | 1G2WP52K73 | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2003 Pontiac Grand Prix GT
| VIN | 1G2WP52K73 | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | 
 16 Replies Received
16 Replies Received
 16 Replies Received
          16 Replies Received
           Related Documents & Media
  Related Documents & Media   Video
Video