Left and right oxygen sensor not working.Toyota camry 6 cyl,1999
Bank 1 oxygen sensor is the closest to the engine exhaust manifold. It is usually can seen and replaced if necessary with open hood.
Bank 2 is the second oxygen sensor. It's located after the catalytic converter in the exhaust pipe. And the harness for is just under the front passenger's seat.
This code means that the fuel is to lean. You have problem with your oxygen sensor in the bank 1 (location: exhaust manifold).
bank 1 sensor 1 2002 on toyots sienna
before cat
its located in the back of the motor.
Trouble code P0135 means:O2 sensor heater circuit malfunction (Bank 1 Sensor 1)
It's on the back of the engine, left side. (O2 rear sensor)
On a V-6 Toyota Tacoma bank 2 is on the driver side.
It's the one between the engine and catalytic converter. You usually can see it when you open the hood and look the exhaust system.
The sensor 2 should be next to the catalytic converter just under the passenger seat. The sensor 1 is in the exhaust manifold.