mpg loss

  1. Proud Prius Peter
    Thread

    P0171 Lean Code + 37 MPG Fixed – Fuel Pump/Filter Assembly Replacement (2011 Prius, 255k miles)

    Hey everyone, Just wanted to share a recent fix that took months of chasing but finally solved it. My 2011 Prius (255k miles) had been stuck...
    Thread by: Proud Prius Peter, Jan 9, 2026, 2 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  2. TheLastMojojomo
    Thread

    Attention Prius Owners, I believe I have discovered a previously unknown Mechanism of Low MPG.

    Attention Prius owners, I believe I have discovered an unknown mechanism of low mpg in the Prius. Gen 2's are 100% effected by this. There is...
    Thread by: TheLastMojojomo, Nov 2, 2021, 176 replies, in forum: Gen 2 Prius Main Forum
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