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	 2020 Chevrolet Silverado 2500 HD LT 6.6L MIL Lamp on 
		
		NYS fleet truck, came in with cel on. Codes p0172 and p0175, .Checked pcv system, plugged off and plugged off purge valve. Can clear codes and watch fuel trims go [...] pressures look [...] ok otherwise. Checked oil for fuel contamination. none, did oil ch... 
                        
                            FIX posted 8/22/2022
                             
                 
                            
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           Message Closed w/FIX 
	   
	   
	   
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| VIN | 1GC1WLE71L | 
| Engine | 6.6 L / 8 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Idle | 
Message Closed w/FIX
            
            
 Vehicle Data
                2020 Chevrolet Silverado 2500 HD LT
| VIN | 1GC1WLE71L | 
| Engine | 6.6 L / 8 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Idle | 
                            
4 Replies Received
          4 Replies Received
          
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