 
				
	| 2008 GMC Sierra 1500 WT 4.3L Misfire Truck came in the P0301 cyl 1 misfire. Removed #1 plug and it had carbon tracking about 1/4" wide and the length of the porcelin. Easy fix. Replaced plugs and wires with factory parts. Also had a coolant leak-water pump and head gaskets replaced. Still have th... 
                        
                            FIX posted 4/22/2012
                               
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 | Message Closed w/FIX 
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| VIN | 1GTEC14X98 | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Cold | 
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2008 GMC Sierra 1500 WT
| VIN | 1GTEC14X98 | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Cold | 
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected | 
 9 Replies Received
9 Replies Received
 9 Replies Received
          9 Replies Received
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