Underneath the lower intake manifold, in the valley between the cylinder heads.
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.
These sensors are available on EBay for ~$70
It's attached to the throttle body.
A/F Sensor for Bank 2 Sensor 1. It is the O2 sensor on the front manifold.
Underneath lower intake manifold in the valley between the heads.
12 mm
Tune up for 1999 rx300 Lexus
On a 1999 Lexus RX300, the knock sensors are located on the engine block, specifically underneath the intake manifold. To access them, you'll typically need to remove the intake manifold, as they are positioned on the sides of the engine, near the cylinder heads. It's advisable to consult a repair manual for detailed instructions, as the process can be complex.
On a 1999 Lexus RX300, the knock sensors are located on the engine block, typically underneath the intake manifold. You may need to remove the intake manifold to access them properly. There are usually two knock sensors, one on each bank of the V6 engine. Always consult a repair manual for specific instructions and torque specifications when replacing them.
adjust headlight
It is in the fuel tank.
lexus rx300 1999-2003