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What exactly is this P0141 ?

Discussion in 'Technical Chat' started by hans17, Aug 4, 2008.

  1. Aug 4, 2008 at 3:52 AM
    #1
    hans17

    hans17 [OP] Well-Known Member

    Joined:
    Dec 16, 2007
    Member:
    #3860
    Messages:
    99
    san juan puerto rico
    Vehicle:
    tacoma xtra cab v6 sport 2007
    3"ez-lift kit , 1" spacer , stock wheels 17" , 285/70-17
    My brothers Highlander Check engine went on , I scanned it and the read out was P0141, I checked it out but I really don't understand what it means by heat something if you guys can help me like always i will really appreciate it thxs.:eek: 02 SENSOR HEATER CIRCUIT MALFUNTION ( BANK 1 SENSOR 2 ).
     
  2. Aug 7, 2008 at 12:11 PM
    #2
    piercedtiger

    piercedtiger Devout Atheist

    Joined:
    Oct 29, 2007
    Member:
    #3284
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    6,446
    Gender:
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    First Name:
    Jon
    Southern Tier, NY
    Vehicle:
    2015 F150 3.5EB SCEW 6.5ft
    P0141 is generally a "catalytic converter inefficiency" problem. Meaning it can be any of a dozen different things: O2 sensors, bad cat, exhaust leak, etc. It means the O2 sensor isn't reading the proper O2 levels I think. So either you have a bad sensor, leaky exhaust, or bad cat normally. I had to replace the cat on my Corolla for the same code as replacing the O2 sensor after the cat didn't fix it.Same code again, and I'm not paying for a 3rd cat so I'm looking into an O2 sim. :D
     
  3. Aug 8, 2008 at 2:19 AM
    #3
    hans17

    hans17 [OP] Well-Known Member

    Joined:
    Dec 16, 2007
    Member:
    #3860
    Messages:
    99
    san juan puerto rico
    Vehicle:
    tacoma xtra cab v6 sport 2007
    3"ez-lift kit , 1" spacer , stock wheels 17" , 285/70-17
    Thxs. my friend I think I will be replacing the O2 sensor.:cool:
     
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