2008 GMC Yukon Denali Q&A

2008 GMC Yukon Denali Question: What is engine code PO496. How do I fix it?

Do you have a oart # for what needs to be replaced for PO496? -
Answer 1
It is most likely your evaporative purge solenoid has failed and needs replaced. Here's the procedure http://acdelcotechconnect.com/pdf/tsb/tsb_411822.pdf -