 
				
	| 2003 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Misfire, MIL Lamp on This truck misses heavy on cyl#3 and #4. we have scoped the ignition and coils and injectors, all look normal. we swapped 2 plugs, wires, injectors(not plugged at all). To no avail i can not find out what is causing this miss at idle. It runs perfect on the hi... 
                        
                            FIX posted 7/15/2006
                               
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 | Message Closed w/FIX 
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| VIN | 2GCEK19U03 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On | 
| Occurs | Always, Idle | 
| Misc. | Stock | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2003 Chevrolet Silverado 2500 HD
| VIN | 2GCEK19U03 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On | 
| Occurs | Always, Idle | 
| Misc. | Stock | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
 25 Replies Received
25 Replies Received
 25 Replies Received
          25 Replies Received
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