p0446

Good Evening Everyone, First post and new member, I own a 2003 Lesabre Custom with 133K miles on it. Been garage kept for the past 4 years until i got it back running last year. Replaced The fuel pump, upper and lower intake gaskets, coolant elbows back in 2021. It sat for a bit then...

Hello, and thank you for reading this. I bought my Grandma's Old Buick almost 2 years ago. Pretty happy with it; but it has had 2 nagging problems since I bought it. Also, I have the full service history, and this vehicle was well maintained. I got it in 2010 with 66K on the Od...