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	 1999 Chevrolet C3500 7.4L Misfire 
		
		I have this truck that is misfiring at idle. Using scan tool it show cylinders 1 and 6 mostly but misfires on all cylinders. I use alternate fuel samething, but when I had fuel in to the air cleaner it runs good and no more misfires. I did a injector balance a... 
                        
                            Summary posted 2/26/2014
                             
                 
                            
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         Message Closed w/Summary 
	   
	   
	   
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| VIN | 1GBKC34J7X | 
| Engine | 7.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Idle | 
Message Closed w/Summary
            
            
 Vehicle Data
                1999 Chevrolet C3500
| VIN | 1GBKC34J7X | 
| Engine | 7.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Idle | 
                            
31 Replies Received
          31 Replies Received
          
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