P0171 & P0174 - Idles very Rough, 2001 Cadillac

Standard Motor Products Presents: Technician's Toolbox
"P0171 & P0174 - Idles very Rough, 2001 Cadillac"

[@jonathan99786]

I was about to give up, but you just turned my brain lights on!!!

[@MrFatz1986]

This what it was for my 2004 DHS Deville Thanks for the help

[@tbfoot1]

Thank you! I wouldn't have been able to diagnose or fix my problem with out your video. Great job!!!!!!

[@juanmorales8242]

Does Napa carry that part

[@zodx19]

I have the same problem with my 2005 Cadillac DeVille. I went to KZbin the guy explains everything you need to do. If you got the tools and the time I suggest you do it yourself. It's not rocket science so why pay some guy hundreds of dollars to do what you can do.

[@brianj582]

My 03 seville sts had this problem. $800 for oil,/filter, plenum, ac charge and labor

[@nadz109]

My 03 is doing this