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

Cel: P0161

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Old 03-26-08, 01:38 PM
  #1  
Bigwun07
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Default Cel: P0161

My engine light came on this morning, so i took it to auto zone and they gave me that code... There seems to be a malfunction in the heater circuit for oxygen sensor 2 in bank 2 (where is the sensor located)... Is it a big problem, and if so do i need to replace it immediately or is it ok if i wait till the weekend.

Also where is the best place to get one and what brand should i get... Is there a DIY for this????

Thanks a bunch

Last edited by Bigwun07; 03-26-08 at 01:53 PM.
Old 03-26-08, 03:06 PM
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NBart
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that sensor is located at the end of the o2 sensor run. underneath your car behind the cats. if you have warranty, it is covered. common problem with this type of car. mine needs to be replaced as well.
Old 04-06-08, 11:15 PM
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ILOVEGIRLS
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im looking for a DIY also. how do i know which Heated Oxygen Sensor Circuit to replace? i looked down there and it looks like there are two rear 02 sensors.
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