All oxygen sensors are in the exhaust. They can either be before or after the catalytic convertor. Just because you have a code for an oxygen sensor does Not mean that it is defective. You can have a vacuum leak causing a lean code. You can also have a leaky injector that will cause a rich code.
Wher are the oxygen sensors located on a 2001 rx300 Lexus SUV
How do you change the spark plugs in 2001 lexus rx300?
Passenger side exhaust
The thermostat on a 2001 Lexus RX300 is replaced by removing the upper radiator hose and unbolting the thermostat housing. The thermostat can then be removed, a new gasket installed, and the replacement thermostat placed in the housing.
Try JC Whitney. Search engine it.
The 2001 Lexus coolant temperature sensor can be found on the front of the engine. The coolant temperature sensor will be in the vicinity of the thermostat housing.
The sensor runs under the seat and out to the exhaust pipe under the back of the car. You will have to remove the two bolts holding the seat to replace it.
In the 2001 Lexus RX300, the starter is located on the driver's side of the engine, near the transmission. It is positioned towards the bottom of the engine bay, making it somewhat difficult to access without lifting the vehicle. To reach it, you may need to remove the air intake assembly or other components for better access.
The 2001 Toyota Tundra front oxygen sensor torque specification is 20 pounds. The oxygen sensor bolts should be torqued in 10 pound intervals.
The AC drain line on a 2001 Lexus RX300 is typically located on the passenger side of the vehicle, near the firewall. It extends from the evaporator case and allows condensation to drain out of the vehicle. You may need to look under the vehicle or the engine compartment to locate it, usually appearing as a small rubber hose. Make sure to check for any blockages if you're experiencing drainage issues.
The lamp out module on a 2001 Lexus RX300 is typically located behind the driver's side dashboard, near the fuse box. To access it, you may need to remove some panels or trim to reach the module. It is responsible for monitoring the vehicle's lighting system and can affect the dashboard warning lights related to exterior lights. If you're having issues with lights, checking this module can be a good troubleshooting step.
There are four oxygen sensor in a Maxima 2001. See Nissanhelp.com for a diagram location.