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Oxygen Sensor problems

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Old Feb 11, 2009 | 08:32 PM
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Default Oxygen Sensor problems

Check engine light on 1997 LS 400 (with only 48000 miles) comes on-- OBDII reader gives a P0135 -- Oxygen sensor replaced with genuine Toyota part --- Check engine light comes on again after about 6 milles -- same code !!!
What is the next step? Any help would be appreciated,
Thanks
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Old Feb 11, 2009 | 10:10 PM
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you did replace the proper sensor right...?

it's one of the FRONT sensors, the ones BEFORE the cats.
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Old Feb 12, 2009 | 10:37 AM
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like PD said, make sure you're on the right bank. there are 4 02 sensors total on the car.
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Old Feb 12, 2009 | 12:35 PM
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Thanks for the prompt response, guys--

I did replace the Passenger side FRONT sensor, but I am now wondering if it was the correct side !
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Old Feb 12, 2009 | 02:09 PM
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p0135 is a bank 1 sensor 1 o2 heater failure.
Bank1 is the driver side bank...
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Old Feb 12, 2009 | 02:16 PM
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that sucks. but least u got a new passenger o2 .
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Old Feb 12, 2009 | 04:20 PM
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Thanks Guys,
I was afraid that it was something as stupid as that. I'll get to the other side soon.
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Old Feb 18, 2009 | 06:11 PM
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I had the same issue a few months ago and it was the drivers side. Replaced just the one and haven't had any problems since. Although it is fine to drive on it currently so I wouldn't worry too much although I like my Lexus to be in top notch working order
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Old Feb 25, 2009 | 06:39 PM
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I could not get a new sensor, so the passenger side sensor which was removed (and which was presumably good) was switched to the driver's side, and have not seen the check engine light since--Fingers still crossed!
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Old Feb 25, 2009 | 09:51 PM
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provided you didnt destroy the sensor upon removing it there shouldnt be any reason it shouldnt work...
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