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  1. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    No isn’t. It repaired itself)) really don’t know what was
    Post by: Datuna14, Apr 28, 2025 at 12:15 AM in forum: Gen 3 Prius Technical Discussion
  2. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    I checked it and “EVAP” didn’t pass yet. What does it means?
    Post by: Datuna14, Apr 26, 2025 at 8:23 PM in forum: Gen 3 Prius Technical Discussion
  3. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Hello.. these days I was checking all parts that is loaded on fuse EFI.2. fuse doesn’t blows, then install all parts together and drove more...
    Post by: Datuna14, Apr 26, 2025 at 1:15 PM in forum: Gen 3 Prius Technical Discussion
  4. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    I have question for this test, If there is a short somewhere, will the bulb really light up?
    Post by: Datuna14, Apr 23, 2025 in forum: Gen 3 Prius Technical Discussion
  5. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    I am driving without O2 b1s1 sensor and monitoring if fuse blows, tomorrow I will unplug downstream O2 and evap solenoid (near intake) and...
    Post by: Datuna14, Apr 22, 2025 in forum: Gen 3 Prius Technical Discussion
  6. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Thanks for explanation, I did everything like your method but found nothing, I have other Prius for the donor parts and I compared every parts and...
    Post by: Datuna14, Apr 22, 2025 in forum: Gen 3 Prius Technical Discussion
  7. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Can u explain more details step by step for example? Thx a lot
    Post by: Datuna14, Apr 22, 2025 in forum: Gen 3 Prius Technical Discussion
  8. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    passed visual check. Ever Ok understand. For example, I removed the oxygen B1S1 plug. Find negative pin in harness, attach one probe in...
    Post by: Datuna14, Apr 22, 2025 in forum: Gen 3 Prius Technical Discussion
  9. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Did u meaning zero resistance is for good and high resistance bad? my tester works like this
    Post by: Datuna14, Apr 22, 2025 in forum: Gen 3 Prius Technical Discussion
  10. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Hello. Today I checked with amperage mode by tester. Removed EFi.2. Fuse and pushed probes inside. Amp was readings when “O2 B1S1” “MAF” and...
    Post by: Datuna14, Apr 21, 2025 in forum: Gen 3 Prius Technical Discussion
  11. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Thanks for reminding me, I'll do my best and keep you updated.
    Post by: Datuna14, Apr 21, 2025 in forum: Gen 3 Prius Technical Discussion
  12. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    I will tomorrow this test, thanks again!
    Post by: Datuna14, Apr 21, 2025 in forum: Gen 3 Prius Technical Discussion
  13. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    it happened during driving, about every 30-50 miles. I haven't done anything except change the oil, It started suddenly, one morning I was...
    Post by: Datuna14, Apr 21, 2025 in forum: Gen 3 Prius Technical Discussion
  14. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Thank you very much for helping me. I am very hopeful. burned still EFI.2. It was 10 amp fuse. And “4” DTC messages: p0403, p0102, p0037 and p0031...
    Post by: Datuna14, Apr 21, 2025 in forum: Gen 3 Prius Technical Discussion
  15. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Hey, I found it was EFi fuse wire, inside fuse box. So code U0100 lost communication was Fuel pump line. Now I am testing again EFI#2 with 10 amp...
    Post by: Datuna14, Apr 21, 2025 in forum: Gen 3 Prius Technical Discussion
  16. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    When it comes to the case, I can't check anything on a professional level. I'll ask you a question like that and you won't bother me anymore. I'll...
    Post by: Datuna14, Apr 18, 2025 in forum: Gen 3 Prius Technical Discussion
  17. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Today it says U0100, I should probably look for it in the cords and plugs, right?
    Post by: Datuna14, Apr 18, 2025 in forum: Gen 3 Prius Technical Discussion
  18. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    Thanks for reply, this code U0100 is After, in “Hybrid System” and in current status. I am unable to enter Engine control unit… Before I had:...
    Post by: Datuna14, Apr 18, 2025 in forum: Gen 3 Prius Technical Discussion
  19. Datuna14
    Post

    2010 Prius won’t start. UO100 code

    I know it's late, but I still realize I'm in a bad situation. What's the alternative?
    Post by: Datuna14, Apr 17, 2025 in forum: Gen 3 Prius Technical Discussion
  20. Datuna14
    Post

    Recent head gasket replacement

    These engines are prone to knocking. Depending on the humidity and temperature of the weather, as well as the position of the intake and exhaust...
    Post by: Datuna14, Apr 17, 2025 in forum: Gen 3 Prius Technical Discussion
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