Lean Bank#2 on a 5.4 NEED HELP
MY check engine light came on a while ago, so i pulled the code with my buddies reader, i think the code was PO 174, it was lean bank 2. does anybody know what this means? the truck still runs ok. doesnt feel 100% though. any help would be awesome.
oh by the way its a 2004 5.4
Last edited by NawwMann772; 02-15-2010 at 11:45 PM.