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	 2011 GMC Yukon XL 1500 Denali 6.2L Misfire 
		
		Strange one. We keep getting a flashing MIL & P0300 CEL, checking misfire data it seems that cyl#5 and #7 are the offending cylinders. During road test, it will very intermittently register a misfire, usually at low speed light loads. Swapped coils/injecto... 
                        
                            FIX posted 5/17/2023
                             
                 
                            
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           Message Closed w/FIX 
	   
	   
	   
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| VIN | 1GKS2MEFXB | 
| Engine | 6.2 L / 8 cyl / FLEX | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Misfire | 
Message Closed w/FIX
            
            
 Vehicle Data
                2011 GMC Yukon XL 1500 Denali
| VIN | 1GKS2MEFXB | 
| Engine | 6.2 L / 8 cyl / FLEX | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Misfire | 
                            
6 Replies Received
          6 Replies Received
          
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