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2005 GMC Yukon XL 1500 Denali 6.0L MIL Lamp on
Posted to GM Driveability on 11/4/2009 10 Replies

weve got this 05 gmc yukon denali keeps throwing code P0455 if u clear the light two days later its back,weve smoke tested this vehicle with a tech II to seal the system countless times after replacing various parts that looked like they were leaking weve repl...

10 Replies Received (View Replies)

  Related Documents & Media  2005 GMC Yukon XL 1500 Denali

 
Message Closed w/FIX

car Vehicle Data

2005 GMC Yukon XL 1500 Denali

VIN 1GKFK66U75
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursEvery Two Days
Misc.P0455 Large Leak Detected

Trouble Codes

P0455EVAP System Very Large Leak Detected
Message Closed w/FIX

car Vehicle Data

2005 GMC Yukon XL 1500 Denali

VIN 1GKFK66U75
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursEvery Two Days
Misc.P0455 Large Leak Detected

Trouble Codes

P0455EVAP System Very Large Leak Detected