GMC Yukon P Codes (Powertrain) P0400 - P0499 P0449

Browse GMC Yukon P Codes (Powertrain) P0400 - P0499 P0449 questions and answers. Choose a question that matches your symptoms.

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Missing Part Or Parts For EVAP System, Code P0449

2004 GMC YUKON
I Need Help Identifying What Parts I Need. All Information Online Is For Yukon Xl 1500 Or Other That Do Not Match My 2004 Yukon Xl 2500....
1 ANSWER
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Asked by nicavery

Codes P0449 And P0446?

2003 GMC YUKON
Engine Idling Rough Both Po 449 And Po 446 Code Are Coming Up On The Diagnostic Check And When I Open The Gas Tank There's A Lot Of...
1 ANSWER
2 IMAGES
Asked by Dan Frank Amaral

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