P0171: System too Lean (Fuel Trim)

bloc

SILVER Star
Joined
Sep 19, 2008
Messages
9,637
Location
Central Texas
A slow degradation like failure mode wouldn't necessarily be subject to a recall, but 140k miles for a Toyota / Denso design, on a Lexus / Land Cruiser doesn't meet expectations.
Agreed. Thanks for further digging in to this.
 
Joined
Apr 27, 2011
Messages
7,537
Location
San Diego
Write-up of repair procedure here
 

Users who are viewing this thread

Top Bottom