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Thread: 02 sensor heater bank 1 sensor 2

  1. #1
    Join Date
    Apr 2011

    Default 02 sensor heater bank 1 sensor 2

    i know where to locate the sensor 2 but where what and how do i change the bank 1? also i would love to purchase a haynes repair manual for my 1999 subaru forester but it looks like this is not available for my year and model, will the 2000 book work.

  2. #2
    Join Date
    Jan 2007


    Hi bigdaddyoyo,

    We can't recommend that book for your vehicle, since the '99 was most likely different enough that it couldn't be included. Bank one refers to the cylinder bank on the right (passenger's) side of the vehicle. Sensor 1 is the O2 sensor before (upstream of) the catalytic converter, and sensor 2 is the one after (downstream of) the converter.

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