 
				
	| 2003 Chevrolet Express 3500 6.0L Poor Idle Quality, Misfire van will intermittently sart running poorly. missfire counters show 2,4,6,8 all miss fire. problem will come and go. looked at injetor amp ramp and no problems there. also amp ramped coils still no problems found. 
                        
                            Summary posted 7/9/2008
                               
                    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/Summary 
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| VIN | 1GBHG39U43 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Misfire | 
| Occurs | Under Load, Idle, Intermittently | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2003 Chevrolet Express 3500
| VIN | 1GBHG39U43 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Misfire | 
| Occurs | Under Load, Idle, Intermittently | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
 13 Replies Received
13 Replies Received
 13 Replies Received
          13 Replies Received
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