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	 2000 Chevrolet K3500 7.4L MIL Lamp on 
		
		Customer brought vehicle in to have the check engine light looked at and have the broken exhaust manifold bolts repaired. p0401 was stored as well as an egr position code and throttle position sensor code. Found that the EGR valve was inoperable and the tps ha... 
                        
                            FIX posted 11/22/2017
                             
                 
                            
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| VIN | 1GCHK33J1Y | 
| Engine | 7.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | On Accel, Fails Test Every Time | 
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected | 
Message Closed
            
            
 Vehicle Data
                2000 Chevrolet K3500
| VIN | 1GCHK33J1Y | 
| Engine | 7.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | On Accel, Fails Test Every Time | 
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected | 
                            
12 Replies Received
          12 Replies Received
          
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