Idle issue after Gen3->Gen4 engine swap

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by ilkehylke, Oct 22, 2025.

  1. ChapmanF

    ChapmanF Senior Member

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    Those things exist on gen 4 engines for the EU and JP markets. They don't exist on gen 4 engines for the US.

    People were encountering those things chiefly by bringing in JDM gen 4 engines.
     
    Brian1954 likes this.