 
				
	| 2008 Chevrolet Silverado 1500 WT 5.3L Hesitation, Misfire Scanned with snap on modis ultra 16.2 Customer states check engine light on, has no power on accel. Getting worse. Replaced all 02 sensor and performed ignition tune up. Roadtest, under heavy load vehicle hesitates, no power, check engine light flashing.. New ... 
                        
                            FIX posted 7/14/2016
                               
                    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 16 Replies Received (View Replies)16 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | 2GCEK19J18 | 
| Engine | 5.3 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / Sefi | 
| Emissions | OBD-II Compliant | 
| Symptoms | Hesitation, Misfire | 
| Occurs | On Accel | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) | 
| P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2008 Chevrolet Silverado 1500 WT
| VIN | 2GCEK19J18 | 
| Engine | 5.3 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / Sefi | 
| Emissions | OBD-II Compliant | 
| Symptoms | Hesitation, Misfire | 
| Occurs | On Accel | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) | 
| P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean | 
 16 Replies Received
16 Replies Received
 16 Replies Received
          16 Replies Received
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