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Dtc p1135

Discussion in 'Technical Chat' started by jimt20032002, Jun 26, 2008.

  1. Jun 26, 2008 at 12:43 PM

    jimt20032002 [OP] New Member

    Jun 26, 2008
    Slidell, LA
    02 Prerunner SR5 Double Cab
    My 02 prerunner (V6, auto) w/97k miles threw its first code (P1135). I put my scanner on it and noticed A/F sensor B1S1 was showing 3 to 3.8 volts while B1S2 reading good (below 1 Volt). The engine seemed to be running ok but I have been getting a little less than average mpg lately. I changed the sensor (OEM Toyota) and cleared the code but I am still getting the same voltage output readings as before. Can anyone mabee point me in the right direction as where to look next.

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