Exhaust manifold on the front of the engine, exhaust manifold on the rear of the engine and another down stream by the catalyst.
These sensors are available on EBay for ~$70
12 mm
The upstream heated oxygen sensor is located ahead of the catalytic converter The downstream heated oxygen sensor is located behind the converter
Two speed sensors on a 1999 rx300 .One is located under air filter box,remove air filter box and sensor in located there,the other sensor in at a 45 degree angle on the transmission just behind the battery,remove the battery and tray to get better access.The sensors have the same part number and are the same.
The oxygen sensor is located in the exhaust manifold near the firewall. It is easier to get to the sensor from under the vehicle.
A/F Sensor for Bank 2 Sensor 1. It is the O2 sensor on the front manifold.
It's attached to the throttle body.
The oxygen sensor on a 1999 Honda Civic is located on top of the catalytic converter. The catalytic converter is under the car.
The upstream oxygen sensor is located in the exhaust pipe between the exhaust manifold and the catalytic converter The downstream oxygen sensor is located at the catalytic converter outlet
It is in the fuel tank.
To replace the knock sensor on a 1999 Lexus RX300, first, disconnect the negative battery terminal to prevent electrical shorts. Then, remove the intake manifold for better access to the knock sensor located on the engine block. Disconnect the wiring harness from the sensor, unscrew it using the appropriate socket, and install the new sensor by reversing the process. Finally, reassemble the intake manifold, reconnect the battery, and check for any error codes.
How many oxygen sensor on your 1999 3.5 rl?