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International Automotive Technicians Network
2009 GMC Yukon SLT 5.3L MIL Lamp on
Posted to GM Driveability on 9/6/2024 12 Replies

Hello iATN members. I just need some input on this 2009 Acadia and see if my suspicious are correct. This vehicle failed emissions due to code P0442. The problem is that it clears but comes right back up even without starting the vehicle. I checked f...

12 Replies Received (View Replies)

  Related Documents & Media  2009 GMC Yukon SLT

 
Message Closed w/Summary

car Vehicle Data

2009 GMC Yukon SLT

VIN 1GKFK33029
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / FLEX MFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0442EVAP System Small Leak Detected
Message Closed w/Summary

car Vehicle Data

2009 GMC Yukon SLT

VIN 1GKFK33029
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / FLEX MFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0442EVAP System Small Leak Detected