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Chris (aka-Moose)
Chris (aka-Moose), Auto Technician
Category: Toyota
Satisfied Customers: 773
Experience:  16 years of experience
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Getting P0135 code. How many O2 sensors are there in a 2001

Customer Question

Getting P0135 code. How many O2 sensors are there in a 2001 Toyota Sequoia SR5 RWD?
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: Haven't looked at it yet. Am getting P0135. It says Heater Bank 1, Sensor 1.
JA: Are you fixing your Sequoia yourself? What have you tried so far?
Customer: Yes, I am hoping to fix it myself. Have reset the code which came back within 30 mins of driving.
JA: Anything else you want the mechanic to know before I connect you?
Customer: not really.
Submitted: 1 month ago.
Category: Toyota
Expert:  john replied 1 month ago.

should be 4 so im guessing you want location of bank 1 sensor 1?