Generation 1 Prius Discussion

Interested in the "Classic" Prius? Come in and discuss the Generation 1 Prius (Model Years 1997 - 2003).

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  1. Sticky Threads
  2. 3prongpaul
    Sticky

    Gen1 Prius, make sure you have a backup ignition key!

    3prongpaul, Dec 26, 2017 ... 2
    Replies:
    35
    Views:
    40,343
    jamesprius
    jamesprius
    Oct 1, 2024
  3. DRACO
    Sticky

    How to Change the HV Battery CELL / Module/s on Gen 1 Prius

    DRACO, Jan 12, 2016 ... 2
    Replies:
    29
    Views:
    53,593
    dabard051
    dabard051
    Jun 8, 2024
  4. bwilson4web
    Sticky

    Who should and should NOT buy a 2001-03 Prius

    bwilson4web, Jun 12, 2012 ... 2 3 4
    Replies:
    78
    Views:
    98,512
    ptero
    ptero
    Mar 2, 2024
  5. Markus Reynold
    Sticky

    DIY Gen 1 MG2 Replacement P3125 P3000 P3009 P3191

    Markus Reynold, Jan 5, 2015 ... 2 3
    Replies:
    44
    Views:
    64,751
    kutcht1
    kutcht1
    Jun 2, 2022
  6. Normal Threads
  7. pigwot

    Parts for Gen 1 to share

    pigwot, Nov 14, 2025
    Replies:
    3
    Views:
    307
    joegr
    joegr
    Dec 9, 2025 at 11:53 AM
  8. joegr

    engine can not start Prius Gen1 2003

    joegr, Dec 8, 2025 at 12:26 PM
    Replies:
    0
    Views:
    56
    joegr
    joegr
    Dec 8, 2025 at 12:26 PM
  9. ronlewis

    Cat serial numbers

    ronlewis, Dec 7, 2025 at 11:23 PM
    Replies:
    4
    Views:
    159
    ronlewis
    ronlewis
    Dec 8, 2025 at 9:53 AM
  10. grayrainforest

    Reversed Polarity Jump Start Damage: How to Repair?

    grayrainforest, Dec 5, 2025
    Replies:
    2
    Views:
    206
    grayrainforest
    grayrainforest
    Dec 6, 2025 at 8:20 PM
  11. AlsoJakob

    Shifter shows reverse, car does not reverse. P3120?

    AlsoJakob, Nov 29, 2025
    Replies:
    10
    Views:
    486
    ChapmanF
    ChapmanF
    Dec 6, 2025 at 5:06 PM
  12. AlsoJakob

    Recharging HV battery after car sat for 2+ years?

    AlsoJakob, Nov 16, 2025
    Replies:
    4
    Views:
    377
    AlsoJakob
    AlsoJakob
    Dec 5, 2025
  13. The Mighty Mutt

    Battery cooling

    The Mighty Mutt, Dec 5, 2025
    Replies:
    0
    Views:
    97
    The Mighty Mutt
    The Mighty Mutt
    Dec 5, 2025
  14. blake9809

    Prius Gen 1 downstream oxygen o2 sensor simulator

    blake9809, Aug 5, 2024
    Replies:
    11
    Views:
    2,274
    Dogfish246
    Dogfish246
    Nov 23, 2025
  15. joegr

    HV battery replacement

    joegr, Nov 7, 2025
    Replies:
    6
    Views:
    432
    joegr
    joegr
    Nov 17, 2025
  16. ronlewis

    P0172

    ronlewis, Oct 28, 2025
    Replies:
    11
    Views:
    701
    dolj
    dolj
    Nov 11, 2025
  17. Bruce Berquist

    Replacement center dash panel for my Gen 1 2003 Prius.

    Bruce Berquist, Jun 15, 2022 ... 2
    Replies:
    21
    Views:
    7,935
    ronlewis
    ronlewis
    Nov 8, 2025
  18. Mark0001

    Prius 2001 Model III – Tips for Long-Term Reliability

    Mark0001, Oct 18, 2025
    Replies:
    3
    Views:
    575
    Trombone
    Trombone
    Nov 1, 2025
  19. drs33

    2001 Prius with steering wheel and key locking?

    drs33, Feb 8, 2014
    Replies:
    5
    Views:
    1,606
    Trombone
    Trombone
    Oct 30, 2025
  20. cabral255

    Engine block heater recommended wattage

    cabral255, Nov 1, 2011
    Replies:
    3
    Views:
    3,890
    Mendel Leisk
    Mendel Leisk
    Oct 29, 2025
  21. vaughnstark777

    Gen. 1 Module block numbering and module paring etc.

    vaughnstark777, Oct 28, 2025
    Replies:
    1
    Views:
    311
    ChapmanF
    ChapmanF
    Oct 28, 2025
  22. mroberds

    Replacing 2001 heater blower without cutting the dash

    mroberds, Oct 4, 2025
    Replies:
    8
    Views:
    799
    Trombone
    Trombone
    Oct 22, 2025
  23. Trombone

    Routine oil change

    Trombone, Oct 21, 2025
    Replies:
    1
    Views:
    387
    Trombone
    Trombone
    Oct 22, 2025
  24. lapp

    Inverter repair

    lapp, Oct 17, 2025
    Replies:
    2
    Views:
    405
    lapp
    lapp
    Oct 20, 2025
  25. Mark0001

    Prius 2001 Model III – Hybrid Battery Health

    Mark0001, Oct 18, 2025
    Replies:
    3
    Views:
    725
    ammdb
    ammdb
    Oct 19, 2025
  26. peripatetic pri

    Red triangle of death 2x, then check engine light, then no warnings at all, p0303 cylinder 3 misfire

    peripatetic pri, Oct 12, 2025
    Replies:
    2
    Views:
    499
    ChapmanF
    ChapmanF
    Oct 14, 2025
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