Question about 2000 Toyota Tundra
How do I turn off the light and which 02 sensor is it?
I had to replace both o2 sensors on my 2002 Tundra after about 50K. Toyota recalled this problem afterwards and refunded my money. My solution to you is to not worry about which one is bad and go ahead and replace both, because I had one bad and before I could replace it the other went bad also. PS: You'll have to purchase a special socket to remove them and unless you pruchase the Toyota product ( I used O'Reilly parts), you have to cut and splice the wires with a waterproof splicing kit included with the sensors. Just follow the instructions, not a hard job.
Posted on Jan 02, 2009
The light will stay on until you clear the code. The code will go away once the problem is resolved (if it's not fixed and you clear the code it will come on again right away).
Rather than go through the song and dance, just read this great article for info on P0155 - http://www.obd-codes.com/p0155 - it's Bank 2 Sensor 1. That's the sensor in front of the catalytic converter on bank 2 (the side of the engine that doesn't have cylinder #1, which in your case is the passenger side). Good luck!
Posted on Dec 21, 2008
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Posted on Jan 02, 2017
What your asking, is how to make a malfunction light
go away from your dash, so you can forget you have a
problem & make no attempt to repair the car
Until you find & resolve active OBD2 Codes that actually set
a MIL or Check Lamp it will keep coming back
Every time you clear a code you have to run a drive cylce in
some cases to start the procees over, as you need those codes
to diagnose the issues
The codes that are there, do not tell you what to replace
Without writing a book here, just study OBD Systems online &
take the car to a repair shop
It is beyond your ability at this time to figure out
Posted on Sep 22, 2011
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