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Help Needed

Discussion in 'Gen 2 Prius Technical Discussion' started by kodiak1, Dec 12, 2011.

  1. kodiak1

    kodiak1 New Member

    Joined:
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    Location:
    wyoming
    Vehicle:
    2004 Prius
    Model:
    ----USA----
    HELP

    I have a 04 prius , have had no problems til now,
    it has 86k on it , while blending in with traffic on freeway , not at full throttle by the way, clear dry road, the wheel slip light will start to flash and will not go more than 60-65 mph under full throttle.
    No codes show on OBD reader.
    Tire sizes are the same. Wheels are not slipping, but indicator says they are.
    Any help is welcome, has any body else had this problem?
     
    #1 kodiak1, Dec 12, 2011
  2. jdenenberg

    jdenenberg EE Professor

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    Vehicle:
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    Check for mismatched tire size. If one wheel rotates faster (or slower) than the others, you will have this problem.

    JeffD
     
    #2 jdenenberg, Dec 12, 2011
  3. kodiak1

    kodiak1 New Member

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    Location:
    wyoming
    Vehicle:
    2004 Prius
    Model:
    ----USA----
    Thanks
    Checked tire size , both the same 185R60/15
     
    #3 kodiak1, Dec 12, 2011
  4. seilerts

    seilerts Battery Curmudgeon

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    2005 Prius
    Suspect wheel speed sensors. A normal code reader will not pull codes for this. You need to jumper pins 4 and 13 on the OBD DLC and turn the car on to get the warning lamps to flash out 2 digit codes. Search here for more info.
     
    #4 seilerts, Dec 12, 2011
  5. Patrick Wong

    Patrick Wong DIY Enthusiast

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    Check the tire size on all four tires, and ensure that tire air pressure is correct.
     
    #5 Patrick Wong, Dec 12, 2011
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