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	 2008 Chevrolet Silverado 2500 HD WT 6.0L Poor Idle Quality, Surge, Misfire, MIL Lamp on 
		
		Hello, strange one here. Customer replaced ignition switch and brought vehicle in because it would no longer crank after that. We found 40amp starter fuse missing. Replaced fuse and vehicle cranked right up and started. But now it runs very poorly, roug... 
                        
                            FIX posted 7/22/2020
                             
                 
                            
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| VIN | 1GCHK24K08 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | 
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | 
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | 
| P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | 
| P1628 | Sensor Reference Voltage 2 Circuit Erratic | 
| U0164 | Lost Communication With HVAC Control Module | 
Message Closed w/FIX
            
            
 Vehicle Data
                2008 Chevrolet Silverado 2500 HD WT
| VIN | 1GCHK24K08 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | 
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | 
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | 
| P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | 
| P1628 | Sensor Reference Voltage 2 Circuit Erratic | 
| U0164 | Lost Communication With HVAC Control Module | 
                            
6 Replies Received
          6 Replies Received
          
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