Hi there,
I recently purchased a 2008 Yukon XL Denali. 6.2L 6 speed tranny 140000km's. I LOVE it! But I do have a few questions about it...
Firstly, Oil pressure. When I bought it, the guage at idle would go down as low as 16 PSI when warmed up and idleing and around 25-30 while at highway...