Help with Maintenance Code
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Driver School Candidate
Joined: Dec 2005
Posts: 4
Likes: 0
From: FL
Help with Maintenance Code
The check engine light on my 98 ES300 is on. I had the code read out and it is P0135 "O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1). Can anyone explain what this code means and what I have to do to correct it. I replaced the bank 1 O2 sensor and had the code reset but it just came back.
Thanks, John M
Thanks, John M
Lexus Champion
Joined: May 2002
Posts: 2,781
Likes: 6
From: Georgia
Bank 1 sensor 1 is the sensor closed to the firewall. Which sensor did you replaced? You can use the " Search " function and type in O2 sensor and you will find a lot of good info about this topic.
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grillzrho
ES - 1st to 6th Gen (1990-2018)
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Apr 24, 2013 09:16 PM
