Gen 2 Prius Technical Discussion

Come discuss the technical ins and outs of the 2nd Generation 2004-2009 Toyota Prius and the Hybrid Synergy Drive System.

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  1. Tombukt2

    autel ap200

    Tombukt2, May 17, 2024 ... 2
    Replies:
    25
    Views:
    5,275
    pasadena_commut
    pasadena_commut
    Jul 11, 2025
  2. JeffAnd

    2004 Prius Check engine light on. EVAP P0446

    JeffAnd, Jun 18, 2025
    Replies:
    16
    Views:
    1,675
    JeffAnd
    JeffAnd
    Jul 10, 2025
  3. Tombukt2

    AC on and off

    Tombukt2, Jul 8, 2025
    Replies:
    4
    Views:
    684
    AzWxGuy
    AzWxGuy
    Jul 9, 2025
  4. TMR-JWAP

    C1256/1391--anyone ever try using DOT4 brake fluid?

    TMR-JWAP, Feb 8, 2021 ... 2 3
    Replies:
    59
    Views:
    19,879
    dolj
    dolj
    Jul 7, 2025
  5. pasadena_commut

    Force ICE to start before SOC bars purple when A/C on?

    pasadena_commut, Jul 5, 2025
    Replies:
    14
    Views:
    1,087
    pasadena_commut
    pasadena_commut
    Jul 7, 2025
  6. ToySup

    Rear hatch won't open with car running

    ToySup, Oct 17, 2012
    Replies:
    11
    Views:
    4,663
    Marty2go
    Marty2go
    Jul 4, 2025
  7. Tombukt2

    Prius overland

    Tombukt2, Jan 21, 2025
    Replies:
    15
    Views:
    1,948
    bisco
    bisco
    Jul 3, 2025
  8. Tombukt2

    backyard swing set frame hoist

    Tombukt2, Jun 29, 2025
    Replies:
    10
    Views:
    877
    xliderider
    xliderider
    Jul 2, 2025
  9. PrimalPrius

    2009 Bad gas mileage

    PrimalPrius, Jun 14, 2025
    Replies:
    15
    Views:
    1,430
    widgeamedoo
    widgeamedoo
    Jul 2, 2025
  10. ChipG

    Red Triangle and red auto lights after new hybrid battery install

    ChipG, Jun 28, 2025
    Replies:
    6
    Views:
    874
    Brian1954
    Brian1954
    Jul 1, 2025
  11. metamorphosis

    Fresh air/recirculate steering wheel switch intermittent - how to fix?

    metamorphosis, Jun 30, 2025
    Replies:
    2
    Views:
    612
    ChapmanF
    ChapmanF
    Jul 1, 2025
  12. Tuna!

    Timing chain/camshaft removal to replace head gasket help

    Tuna!, Jun 29, 2025
    Replies:
    2
    Views:
    468
    Tombukt2
    Tombukt2
    Jun 29, 2025
  13. Cometflash

    P0171

    Cometflash, Jun 5, 2021 ... 2 3
    Replies:
    47
    Views:
    15,650
    Prius RT
    Prius RT
    Jun 28, 2025
  14. Lam

    DIY: How to remove GenII Transmission

    Lam, Apr 18, 2013 ... 2
    Replies:
    35
    Views:
    61,031
    PriuSocal
    PriuSocal
    Jun 27, 2025
  15. don_chuwish

    Time for a new traction battery

    don_chuwish, Jan 7, 2023 ... 2 3 4
    Replies:
    60
    Views:
    14,135
    don_chuwish
    don_chuwish
    Jun 22, 2025
  16. Tombukt2

    break into gen2 Prius?

    Tombukt2, Jun 15, 2024
    Replies:
    11
    Views:
    1,917
    James Analytic
    James Analytic
    Jun 19, 2025
  17. Doug_M

    AC works but is not very cold. How to troubleshoot?

    Doug_M, Jun 15, 2025
    Replies:
    0
    Views:
    526
    Doug_M
    Doug_M
    Jun 15, 2025
  18. jackdin

    R-134a Auto Air Conditioning Refrigerant

    jackdin, Jul 14, 2020 ... 2
    Replies:
    20
    Views:
    12,711
    dolj
    dolj
    Jun 15, 2025
  19. turbo5spd-prius

    Changing/Adjusting Gen 2 Brake Pedal Stroke Sensor.

    turbo5spd-prius, Oct 25, 2023
    Replies:
    9
    Views:
    3,898
    Tombukt2
    Tombukt2
    Jun 14, 2025
  20. LeprechaunOne

    Brake Pedal to Brake Pedal Stroke Sensor Interaction Question

    LeprechaunOne, Mar 2, 2018
    Replies:
    18
    Views:
    32,393
    Sharrona69420
    Sharrona69420
    Jun 13, 2025
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