Recent content by usmcskeeter
-
U
2012 Yukon Denali - Failed Cats - Looking for Solutions
Thanks for the response - you are probably right and I have heard about the exhaust smell. More than anything, I was hoping that someone would have a "secret" supplier that could source cats for cheaper than Magnaflow, but I guess that's what I will have to do.- usmcskeeter
- Post #4
- Forum: Engine & Drivetrain
-
U
2012 Yukon Denali - Failed Cats - Looking for Solutions
The Vehicle: 2012 Yukon Denali XL w/ 6.2 L Flex Fuel The Problem: One or both of the catalytic converters on my wife's Yukon Denali has failed to the point that the vehicle would not stay running and would make a terrible squealing sound like the belts were slipping. Codes 0420 & 0430 appeared...- usmcskeeter
- Thread
- Replies: 6
- Forum: Engine & Drivetrain
