 
				
	| 2004 GMC Envoy SLE 4.2L MIL Lamp on Thank in advanced I have a 2004 envoy 4.2 lt, changed the evap vent solenoid was sticking. Still have large leak code. Tested wiring and have 12 volts on both wires key on and engine running .With the scanner I can control ground and shut the vent solenoid off... 
                        
                            FIX posted 7/8/2013
                               
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 | Message Closed w/FIX 
 | 
| VIN | [No VIN Available] | 
| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
| Misc. | P0455 | 
Trouble Codes
| P0455 | EVAP System Very Large Leak Detected | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2004 GMC Envoy SLE
| VIN | [No VIN Available] | 
| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
| Misc. | P0455 | 
Trouble Codes
| P0455 | EVAP System Very Large Leak Detected | 
 18 Replies Received
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 18 Replies Received
          18 Replies Received
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