Engine idles and does not display on MFD

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by rodri9o, Nov 28, 2020.

  1. rodri9o

    rodri9o Junior Member

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    Hi Guys,

    Just noticed this happening a few days ago: normally when I'm parked and the car is on the ICE will come on and off, and when it does I see the little path light up on the MFD from ICE to motor to battery. In the last few days, when the engine is running, it doe snot show that path anymore....and it seems to idle higher than usual....

    No codes, still good fuel economy, and has about 252,000 miles...

    Any suggestions?
     
    #1 rodri9o, Nov 28, 2020
  2. Aaron Vitolins

    Aaron Vitolins Senior Member

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    If it’s just running to warm up, after about a minute it stops charging the battery, so no path is showing.

    check your 12v, and clean the throttle body butterfly, that’s been known to help a gen2 that won’t shut off at times. It may just be the cooler temps though.
     
    #2 Aaron Vitolins, Nov 28, 2020
  3. Aaron Vitolins

    Aaron Vitolins Senior Member

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    #3 Aaron Vitolins, Nov 28, 2020
  4. rodri9o

    rodri9o Junior Member

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    Thanks for this. I JUST cleaned the TB about 3 weeks ago and removed the entire thing...scrubbed with brushes, carb cleaner/MAF cleaner and put it all back with fresh gasket.

    I'm pretty positive I didn't do anything wrong....what else could it be?
     
    #4 rodri9o, Nov 28, 2020
  5. dolj

    dolj Senior Member

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    When this is happening, is the gear selector in P, D, or N?
     
    #5 dolj, Nov 29, 2020
  6. rodri9o

    rodri9o Junior Member

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    When in P.
     
    #6 rodri9o, Nov 29, 2020
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