Engine over temp light came on

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by RiverRat, Nov 9, 2012.

  1. RiverRat

    RiverRat Junior Member

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    2012 Prius Plug-in
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    Plug-in Advanced
    I ran about 2 miles on EV then switched to HV 1/2 mile before getting on the freeway. After about 3miles red temp light came on:eek: Outside air temp was about 65. I was on a 2 mile long single lane transition so I was unable to get off the freeway. I slowed down to about 60mph from 70mph the light went off. The light was on for about 2min. I got off the freeway and opened the hood. The coolant had over flowed puking coolant all over my clean engine.
    I was able to run EV to dealer to check. :) My guess was a stuck thermostat! Dealer just called me and after calling manufacture to discuss the the error codes and my symptoms, there best guess was a stuck thermostat.
     
  2. eric smith

    eric smith Junior Member

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    Did they replace the thermostat? If it happened once I would bet it can happen again.
     
  3. RiverRat

    RiverRat Junior Member

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    Waiting for the Part!
     
  4. syscon

    syscon Member

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    Does Prius Plug-in have a coolant temp display?
    Prius V doesn't have it but I connected an external one to OBDII port.
     
  5. RiverRat

    RiverRat Junior Member

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    No analog type display, just an idiot light. No warning of climbing temp just pow! in your face melt down.

    I also us a blue tooth OBDII with Torque software on my Android
     
  6. bisco

    bisco cookie crumbler

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    bummer! no permanent damage tho?
     
  7. ukr2

    ukr2 Senior Member

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    The Dealer didn't have a Radiator Thermostat for the PIP ??? WOW.

    By the way, do you Block your Grill?
     
  8. RiverRat

    RiverRat Junior Member

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    Plug-in Advanced
    I Live in Huntington Beach, Ca. So I think its "freezing" and reach for the seat heaters0 when the Temp dips below 65. But to answer your question, I don't block the grill. The day it over heated was a cold day of 68:)
     
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