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Oxygen Sensor or Air Fuel Sensor?

Discussion in '1st Gen. Tacomas (1995-2004)' started by AlexiMikalov, Nov 1, 2015.

  1. Nov 1, 2015 at 2:40 PM
    #1
    AlexiMikalov

    AlexiMikalov [OP] Member

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    Does a 2001 Tacoma Prerunner have an upstream oxygen sensor or an air fuel sensor? Or are they the same thing? Or do they have both? If so, where are they? If there is only one, what should its voltage output be? Thanks for any help.
     

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