P0171 - Recently replaced pistons & rings

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by djimbuser, Oct 27, 2025.

Page 2 of 2
  1. djimbuser

    djimbuser Member

    Joined:
    Dec 31, 2016
    94
    34
    1
    Location:
    Henderson, Nevada
    Vehicle:
    2007 Prius
    Model:
    N/A
    These new hoses will be installed soon:

    Fuel Vapor Feed Hose #1 23826-37130
    Fuel Vapor Feed Hose #2 23827-37040
    Gates EMH046 (Hose from PCV to Intake manifold)

    The car was driven to another city ~300 miles away and no CEL !
     
    #21 djimbuser, Nov 16, 2025 at 12:48 PM
    PriusCamper and bisco like this.
  2. PriusCamper

    PriusCamper Senior Member

    Joined:
    Mar 3, 2012
    12,659
    5,110
    0
    Location:
    Pacific Northwest, USA
    Vehicle:
    2007 Prius
    Model:
    Two
    Those dang hoses! So essential, yet they always seem so trivial and not the source of the problem.
     
    #22 PriusCamper, Nov 16, 2025 at 5:35 PM
(You must log in or sign up to post here.)
Page 2 of 2