 
				
	| 2003 GMC Yukon XL 1500 SLE 5.3L MIL Lamp on The problem is intermittent. I have never been able to duplicate the problem but every time 10 minutes after the customer picks up the vehicle he calls back and says the light is back on. The vehicle runs perfect just the light comes on. 
                        
                            FIX posted 11/3/2011
                               
                    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 13 Replies Received (View Replies)13 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 3GKEC16Z13 | 
| Engine | 5.3 L / 8 cyl / FLEX | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Under Load, on Accel | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2003 GMC Yukon XL 1500 SLE
| VIN | 3GKEC16Z13 | 
| Engine | 5.3 L / 8 cyl / FLEX | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Under Load, on Accel | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
 13 Replies Received
13 Replies Received
 13 Replies Received
          13 Replies Received
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