 
				
	| 2003 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Surge 
  This engine idles low and surges to stay alive about
450-600 RPM. Misfire counters are counting up on all
cylinders while at idle. After a while it will throw a
P0300 random misfire code. Above idle, the engine runs
great with no cutouts or misses. 
                        
                            FIX posted 12/17/2010
                               
                    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 22 Replies Received (View Replies)22 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 1GCEK19T93 | 
| Engine | 5.3 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / SEFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Surge | 
| Occurs | Idle | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2003 Chevrolet Silverado 1500
| VIN | 1GCEK19T93 | 
| Engine | 5.3 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / SEFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Surge | 
| Occurs | Idle | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
 22 Replies Received
22 Replies Received
 22 Replies Received
          22 Replies Received
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