LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

O2 Sensor and Fuel Mileage

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Old 05-29-12, 02:50 PM
  #16  
timmy0tool
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Originally Posted by PureDrifter
post cat O2 sensors are easy.

the pre-cat ones are a pain to get to.
agreed. the post cat sensors do go inside the cabin so you'll need to remove the carpet to get to the connector eh? with the right tools, the job is very easy.
Old 05-30-12, 07:51 AM
  #17  
waterdog3
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When I bought my 97 the cel was on. The code was the right bank sensor. Knowing the previous owner never put a nickle in the car I assumed he also didn't use premium. I've been putting premium in the car and the light has gone off and stayed off. I have no idea if it is due to the fuel grade or not but the light is off.
Old 10-23-12, 12:24 AM
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VanCityLS4
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timmy0tool - How is that Rockauto O2 sensor holding up ?? Im considering going this route ASAP...
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