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2003 Hummer H2 6.0L MIL Lamp on
Posted to GM Driveability on 8/2/2007 4 Replies

I have this hummer in for P0455. Did an evap smoke test no leaks found it had an EVAP leak code in it, we replaced the Vent Solenoid,Purge Solenoid,and Fuel Pressure Tank Sensor BUT now we cant get evap monitor run All others monitors are ready Cat,heater,O2 W...

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car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U53
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0455EVAP System Very Large Leak Detected
Message Closed

car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U53
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0455EVAP System Very Large Leak Detected