o2 sensor
Thread Starter
Driver School Candidate
Joined: Nov 2009
Posts: 7
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From: New York
o2 sensor
I having a problem with my o2 censors, I have a Check engine light and every time I plug it up it tells me I need to change 2 censors. I dont know which ones to change. Does anyone have a Diagram of all the o2 sensors for a 1999 gs300?
Joey
Joey
Lexus Test Driver
Joined: Oct 2007
Posts: 975
Likes: 6
From: CA
When you pull the codes using a OBDII sensor it should give you specific code like 'P0141' which you can post / google. This should tell which sensor to replace
Driver
Joined: Oct 2005
Posts: 75
Likes: 0
From: TX
I just changed out my O2 sensor, bank 1. Auto Zone will run their code kit and tell you which ones need to be changed out. In my case, Bank 1 was $99 for the part. The other one costs double - dunno why - but it was ok.
Take about 30 min for a mechanic to change out the O2 sensor, the car will need to cool down first before you can start this job.
Take about 30 min for a mechanic to change out the O2 sensor, the car will need to cool down first before you can start this job.
Make sure you buy OEM Denso, preferably plug and play. Otherwise, if you buy Bosch or other brands, you may still get a CEL, even though the O2 sensor is new.
Search CL for a DIY. They are pretty easy to change by yourself. Otherwise, if you don't feel comfortable doing it, go to your mechanic.
Search CL for a DIY. They are pretty easy to change by yourself. Otherwise, if you don't feel comfortable doing it, go to your mechanic.
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