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oxygen sensor

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  1. ZWANG20
    Thread

    How to solve P0137 O2 sensor bank1 sensor2

    My check engine light is on, and the code is P0137: Oxygen sensor circuit low voltage (bank 1 sensor2). Is it necessary to deal with this problem...
    Thread by: ZWANG20, Sep 7, 2023, 0 replies, in forum: Prius c Care, Maintenance and Troubleshooting
  2. Zv0829
    Thread

    P0038

    I have a P0038 that does not go away at all. I have replaced the oxygen sensor and even got the converters replaced and the check engine light...
    Thread by: Zv0829, Apr 16, 2023, 3 replies, in forum: Gen 2 Prius Main Forum
  3. Timexhiker
    Thread

    Oxygen Sensor Replacing & CAT Shield

    I have a CAT shield on my 2005. Engine light on. Auto store told me it’s 02 Sensor going bad. Will CAT shield have to be removed to replace...
    Thread by: Timexhiker, Apr 12, 2023, 4 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  4. James Analytic
    Thread

    Is There Interchangeability Between AF Ratio Sensors 89467-47010, 28090, 02040, 12030 & 52060 ?

    What are the differences, other than the exterior design and is there interchangeability, between the AF Ratio Sensors 89467-47010, 28090, 02040,...
    Thread by: James Analytic, Mar 31, 2023, 5 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  5. JakeO
    Thread

    P0420 - Sensor Extender a Good Option or no?

    Hey y'all. P0420 on my 2007 Gen 2 found at emissions testing in Illinois. Aftermarket cat was installed after mine was stolen about 2 years ago....
    Thread by: JakeO, Jan 5, 2023, 3 replies, in forum: Gen 2 Prius Technical Discussion
  6. Coolguy6969
    Thread

    2010 Emissions Drive Cycle Won't Complete

    I installed a new battery after the car sitting for a couple of months. Wasn't aware that this clears the drive cycle info and failed a smog check...
    Thread by: Coolguy6969, Nov 24, 2022, 3 replies, in forum: Gen 3 Prius Main Forum
  7. schnebly5
    Thread

    Cat Converter Theft: Ambiguity about CARB laws in Maryland

    Hi all, I'm a college student and the latest victim of cat converter theft on my 2005 Prius. Unfortunately no comprehensive insurance. I've read...
    Thread by: schnebly5, Jul 21, 2021, 5 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  8. C1TRU5
    Thread

    codes+lights+drama; my head is spinning

    Long story short; I left my car with my wonderful parents while I was away at university for the fall/winter (overseas, 7months), and it's gone...
    Thread by: C1TRU5, Mar 30, 2021, 27 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  9. Cockroach777
    Thread

    Oxygen sensor incomplete for smog check

    hey all, I just changed my 12V battery on my 2007 prius. I drove for around 100 miles in order to finish the drive cycle, everything shows...
    Thread by: Cockroach777, Dec 12, 2020, 2 replies, in forum: Gen 2 Prius Main Forum
  10. melvinpmanuel
    Thread

    Prius 3rd Gen throws P0420, is it a bad Oxygen sensor?

    I recently purchased a 2013 Prius with 114000 miles on it. The engine light is ON and I scanned for the code and got P0420 "Catalyst System...
    Thread by: melvinpmanuel, Jul 14, 2020, 3 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  11. david95376
    Thread

    Oxygen sensor never completes (part 2)

    I previously posted here: https://priuschat.com/threads/o2-sensor-monitor-never-completes.210963 A few months ago, I reset the ECM and resumed...
    Thread by: david95376, Jun 12, 2020, 7 replies, in forum: Gen 2 Prius Technical Discussion
  12. david95376
    Thread

    O2 sensor monitor never completes

    Hello all. This is my first time posting on this forum. I have a 2008 Prius that I bought used in spring of 2018. For about 18 months on and off,...
    Thread by: david95376, Oct 30, 2019, 7 replies, in forum: Gen 2 Prius Technical Discussion
  13. PtotheRius
    Thread

    Maintenance Req Light // O2 Sensor, Catalyst Monitoring, Evaporative System Warnings

    2007 Prius. 77K miles. Maintenance required light popped up so I plugged in my scanner and pulled up DashCmd, saw warnings for: Catalyst...
    Thread by: PtotheRius, Sep 27, 2019, 3 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  14. Mishmsh
    Thread

    P0420 come back

    Hello dears First of all I want to say thank you for the halp I get in this forum. ❤️ I have Prius 2008 262000 km. I hed p420 code and after a...
    Thread by: Mishmsh, Mar 28, 2019, 1 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  15. Stunnned
    Thread

    Oxygen Sensor Heater Circuit Issue

    So I got a P0031 code for my 2012 Prius C. The upstream O2 sensor. Easy enough. I bought an new one and installed it. I did an ECU reset,...
    Thread by: Stunnned, Mar 17, 2019, 4 replies, in forum: Prius c Technical Discussion
  16. alanwagen
    Thread

    Weird and frustrating. Oxygen sensor

    RE: 2010 Red Pruis with 103k miles. Weird thing happen. I was gone a week and coming back from the airport. As I was driving home from the...
    Thread by: alanwagen, Mar 14, 2019, 3 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  17. barrystein
    Thread

    P0420 Code Catalytic Converter Failure 2005 Prius CA

    My car is throwing a P0420 Code. Dealer says I need a Catalytic Converter. We are at 189,000 miles - so we are out of the 150,000 warranty in CA....
    Thread by: barrystein, Aug 23, 2018, 21 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  18. SaraKellyHipHope
    Thread

    cost to Replace Catalytic Converter or Oxygen Sensor for 2008 Toyota Prius?

    Auto Zone gave me a free estimate and told me WHY I was losing gas so fast- its either the Oxygen sensor or the Cat converter. What is the cost...
    Thread by: SaraKellyHipHope, Dec 31, 2017, 30 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  19. Hayden Price
    Thread

    2013 Code P0420 - tests?

    Good afternoon all, My 2013 Prius had it's engine light come on, with code P0420. Took it to a dealer to confirm. My question is - can anybody...
    Thread by: Hayden Price, Nov 22, 2017, 2 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  20. chaircatmeow
    Thread

    p0420 error code. oxygen sensor bank 1 sensor 1 voltage constant 0.66 volts

    My 06 Prius gave me check engine light. OBDII says it's P0420. catalytic converter below efficiency. My OBD show that: oxygen bank1 sensor 1...
    Thread by: chaircatmeow, Feb 12, 2017, 6 replies, in forum: Gen 2 Prius Main Forum
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