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On the 2000-2005 IS 300 there are four oxygen sensors that are mounted at four different points. One is at the bottom of the exhaust manifold, another is about a foot below that on the exhaust pipe and is fairly hard to reach from the top. I suggest accessing this one from the bottom by jacking the car up to an adequate height to facilitate access, and setting it down on to properly rated jack stands.Unfortunately the engineers at Toyota decided to put one sensor under the front passenger seat along the transmission hump which requires removing the front passenger seat to access a port capped with a rubber plug. The real problem is how do you know which sensor is the bad one? Without the computer diagnostic equipment of Lexus qualified shop you have know way to know.
My recommendation is to have a non-dealership Lexus qualified shop diagnose the bad sensor first to see if you will want to tackle the repair yourself. You should not pay more than $100 for a diagnostic evaluation, and some folks will do it for as little as $65. Then check eBay for sensors which will typically be half the price or less of the dealers price. Buy from vendors with a 99%-100% rating, and use Pay-Pal. If the sensor under the passenger seat is determined to be the bad one undo the four bolts, disconnect the power wires at the clip on the cord bundle, remove the seat, then lift up the floor mat to reveal the rubber plug. Remove the plug, carefully detach the sensors wire being careful not to damage the rubber cap the wire runs through, then using a deep socket, or socket and extension, remove the sensor and replace. The entire process of removal and replacement will take about an hour for someone who is mechanically inclined with proper tools, or two hours or more for a novice.
Lexus dealers typically charge $250-$400 just for labor for that hard to get at sensor. Add the price of the sensor and your closer to $400-$550.
What else can I help you with?
Where is the1992 Lexus es 300 oxygen sensor?
in the car
Where is the oxygen sensor on Lexus rx 300?
On a Lexus RX 300, the oxygen sensor is typically located in the exhaust system. There are usually two sensors: one before the catalytic converter (upstream) and one after it (downstream). The upstream sensor is generally found on the exhaust manifold or in the exhaust pipe close to the engine, while the downstream sensor is located after the catalytic converter. Always consult the vehicle's service manual for precise locations and specifications.
What causes code P0161 on 2002 Lexus IS 300?
It is caused by Bank 2 Sensor 2 oxygen sensor failing.
Where is all oxygen sensors and how do you install an oxygen sensor on a 1999 Lexus RX 300?
inside the exhaust and by dissasembling and swapping it out
What is the thread size of oxygen sensor on a 2000 rx 300 Lexus?
18 Millimeter, 1.5 Pitch
Where is the sensor 1 bank 1 located in 2002 Lexus Rx 300 and how to replace it?
In a 2002 Lexus RX 300, Sensor 1 Bank 1 refers to the upstream oxygen sensor located on the driver's side of the vehicle, before the catalytic converter. To replace it, first, ensure the engine is cool and disconnect the negative battery terminal. Then, locate the sensor, unplug the electrical connector, and use an oxygen sensor socket or wrench to unscrew it from the exhaust pipe. Install the new sensor by reversing these steps, ensuring it's securely tightened and the connector is reattached.
Where is coolant temp sensor located on a 2001 Lexus gs 300?
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.
Where is bank 1 sensor 2 located on 2000 Lexus rx 300?
In the gas tank
Temperature sensor located on a Lexus rx 300?
The engine coolant temperature sensor is located at the timing belt end of the engine on the water outlet casting.
Where is the Oxygen Sensor for a 2000 Lexus RX 300?
The oxygen sensors in a 2000 Lexus RX 300 are located in two main areas: one is positioned in the exhaust manifold before the catalytic converter (upstream sensor), and the other is located after the catalytic converter (downstream sensor). To access the sensors, you may need to lift the vehicle and remove any protective covers or components obstructing the exhaust system. It's advisable to consult the vehicle’s repair manual for specific details and instructions.
How do you replace the oxygen sensor on a 1994 Lexus ES 300?
Let me know if you find out. i am having trouble locting which one is 1 and which is 2... I was told i needed to replace the #1 oxygen sensor
Where are the o2 sensors located on Lexus sc 300?
On the Lexus SC 300, the oxygen sensors are typically located in the exhaust system. There are usually two types: the upstream (pre-catalytic converter) O2 sensor, which is found before the catalytic converter, and the downstream (post-catalytic converter) O2 sensor, located after it. Depending on the specific model year, these sensors can be found on both sides of the exhaust system, near the engine and the catalytic converter.
