Recent Content by Marioaz

  1. Marioaz
    Thread

    Diagnosing AC on 2021 Prius Prime - wire diagram

    I’m the new owner of a 2021 Prius Prime LE. I previously owned a couple of Gen-3 plug-in 2015 models, and I was hoping for a smooth upgrade....
    Thread by: Marioaz, Mar 28, 2025, 0 replies, in forum: Prime Main Forum (2017-2022)
  2. Marioaz
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    Another elusive P0171

    I have a cheap Techstream V 13.00 installed on a old Windows 7, but is crashing frequently when I attempt to run a test for specific component.
    Post by: Marioaz, Jun 23, 2022 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  3. Marioaz
    Post

    Another elusive P0171

    Thanks much for the link! It includes an interesting thread for sure, but after numerous parts swaps most of the pervasive P0171 errors were...
    Post by: Marioaz, Jun 23, 2022 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  4. Marioaz
    Post

    Another elusive P0171

    The passenger to middle side has been damaged during a collision, as result the house inlet located in the lower side of the intake manifold where...
    Post by: Marioaz, Jun 23, 2022 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  5. Marioaz
    Thread

    Another elusive P0171

    Hi All, I have noticed a higher RPM on idle while in Park and a reduced MPG up to 48 city driving and lower highway. After a while CEL light was...
    Thread by: Marioaz, Jun 23, 2022, 7 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  6. Marioaz
    Post

    2012 P0300 P0301 P0302 CEL ON

    Thanks much for your feedback. The Bar's Head package will be returned to Amazon warehouse tomorrow. :-)
    Post by: Marioaz, Jan 21, 2020 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  7. Marioaz
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    2012 P0300 P0301 P0302 CEL ON

    Thanks much for all your suggestions. They all make sense now. The coolant level is steady, but I did not drive the car much just few miles. It...
    Post by: Marioaz, Jan 20, 2020 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  8. Marioaz
    Post

    2012 P0300 P0301 P0302 CEL ON

    Any suggestions on who to confirm the head gasket leak using DIY?
    Post by: Marioaz, Jan 16, 2020 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  9. Marioaz
    Post

    2012 P0300 P0301 P0302 CEL ON

    Thanks much for including these useful documents and tips. I have watched the EGR cleaning video last night. I can follow along and complete this...
    Post by: Marioaz, Jan 16, 2020 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  10. Marioaz
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    2012 P0300 P0301 P0302 CEL ON

    Can you please elaborate on the best way to test/check EGR? Is monitoring via Techstream a possibility, or I need dig deeper checking the pipe...
    Post by: Marioaz, Jan 14, 2020 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  11. Marioaz
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    2012 P0300 P0301 P0302 CEL ON

    I am not familiar with the grid charger yet, but I'll take a look and do some research. The confusing part is the CEL light turned off by itself,...
    Post by: Marioaz, Jan 2, 2020 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  12. Marioaz
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    2012 P0300 P0301 P0302 CEL ON

    I already started the research, but does not look too promising, most of Gen 3 engines I was able to located in Arizona or SouthWest are sourced...
    Post by: Marioaz, Dec 31, 2019 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  13. Marioaz
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    2012 P0300 P0301 P0302 CEL ON

    Hi All, 2012 P0300 P0301 P0302 CEL ON no obvious drivability issue. I just acquired it from a family member, but concerned that deToyota dealer...
    Post by: Marioaz, Dec 30, 2019 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting