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1996 Geo Prizm Question: Replaced o2 sensor,but keeps showing code PO141



brokenbill, 1.6L 4 Cylinder, Aliquippa, PA, September 29, 2010, 15:45

Cleared code by disconnecting negative battery terminal,but after short time coe shows back up.

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  • Answer #1

    September 29, 2010, 15:54

    There are 2 O2 sensors in your vehicle. P0141 refers to the number 2 sensor, which is underneath the vehicle. The sensor under the hood is the number 1 sensor. The sensor is the likely culprit for this code, but that cannot be guaranteed.

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    brokenbill, September 30, 2010, 10:08

    The 4 wire o2 sensor is the one I replaced.

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