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P0171

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Singh Saab, Mar 2, 2024.

  1. Singh Saab

    Singh Saab Junior Member

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    2018 Prius Prime
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    Prime Premium
    Hello All
    One of our 2010 Prius' has a P0171 and a Long Term Fuel Trim sitting around +25%. I compared other sensor values with another 2010 Prius and they were normal. It runs like normal but there is a fuel smell when it first turns on. Any recommendations at what I can look at, most threads I have searched at say to replace the fuel pump.
     
    #1 Singh Saab, Mar 2, 2024
  2. Singh Saab

    Singh Saab Junior Member

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    2018 Prius Prime
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    Prime Premium
    I have decided to accept it’s a fuel pump. Does anyone know what adhesive to use when putting the service hole cover back?
     
    #2 Singh Saab, Mar 4, 2024
  3. ChapmanF

    ChapmanF Senior Member

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    IV
    "New butyl tape" is all the repair manual says on the subject.

    [​IMG]

    I'm pretty sure they mean this kind of stuff:

    butyl body sealant roll - Google Search

    I think I have a roll somewhere that a guy just handed me one day when I was in a body shop or auto glass shop.
     

    Attached Files:

    #3 ChapmanF, Mar 4, 2024
    Singh Saab likes this.
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