GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

GS400 O2 sensor

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Old 11-12-13, 01:08 PM
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GS4IV
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Question GS400 O2 sensor

My car (2000 GS400) is showing a CEL code P0136, O2 sensor bank 1 sensor 2. Downstream after the cat. Denso 234-4623.
Does anyone know how to get to the connector that is inside the car on driver side? Complete removal of carpet?
If you have any info please let me know.

Thank you
Old 11-12-13, 01:34 PM
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MasterKwan
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You can get at it by pulling the corner of the carpet down to the right of the gas pedal. The pigtail for both secondary 02 sensors fall on either side of the transmission hump about 6-8" from the firewall.
Old 11-13-13, 07:42 AM
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Thank you very much, this will save a lot of time.
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