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20 Best 2008 Toyota Sienna O2 Sensor Location of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best 2008 Toyota Sienna O2 Sensor Location of 2023. Check our ranking below.

2,261 Reviews Scanned

Rank No. #1

Downstream Rear Oxygen Sensor Replacement for Toyota Sienna 2004-2006 3.3L 2007-2010 3.5L

Direct Fit: Manufactured to OE Specification Fit Form and Function. Please Check the Plug, Fitment, Notes and Description for Accurate Information
Fitment: Replacement for Toyota Sienna 2004-2006 V6 3.3L 3MZFE, Sienna 2007-2010 V6 3.5L 2GRFE, Sienna 2015 V6 3.5L 2GRFE (From 09/2014), Sienna 2016 V6 3.5L 2GRFE
Location: Downstream Rear; Note: 2015-2016 Toyota Sienna Exc. Base/CE Model
Replace OE Number: 8946508030, 8946508070, 250-24645, 25024645
Warranty: One-year Warranty. All YHTAUTO Oxygen Sensors are Easy to Install on Your Vehicle, And Come with Pre-coated Threads to Assist Installation

SaleRank No. #2

Denso 234-4209 Universal Oxygen Sensor with 11.5” 4-Wire Harness (connectors not included)

Manufactured to the highest O.E. quality, guaranteed to fit right
Does NOT include the connectors
Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
Stainless steel housing and porous Teflon filter all contribute to make a long life
Improved engine performance and greater fuel efficiency

Rank No. #3

QIJIAUTO 234-4516 Oxygen O2 Sensor Downstream Compatible with 2004 2005 2006 for Toyota for Sienna 3.3L V6 2007 2008 2009 2010 for Sienna 3.5L V6 FWD 89465-08030 89465-08070

FITMENT - Sensor 2 O2 sensor downstream 2004-2010 for Toyota for Sienna 3.3L 3.5L
SUPERIOR QUALITY AND ACCURACY - Superior quality materials meet or exceed OEM specifications, ensuring reliable performance and accurate readings.
OPTIMAL PERFORMANCE - This sensor assists in optimizing engine operation. This leads to smoother acceleration, improved responsiveness, helping the vehicle's engine adjust the air-fuel mixture for optimal combustion and improved fuel efficiency
EASY TO INSTALL - Designed as a direct replacement for the original device, plug-and-play compatibility, easy connection to existing wiring harnesses without additional modifications or tools, and seamless installation to the specified sensor location without modification or adjustment.
NOTE - Before purchase this sensor please use the year/make/model drop down bar confirm the compatibility or description to confirm the compatibility.It is recommended that you need to clean the three-way catalyst and use the computer to clear the original fault code before installing the product.

Rank No. #4

Offset Oxygen Sensor Socket, 3/8-Inch Drive, 7/8-Inch (22mm), Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Cars

PREMIUM QUALITY: Made of premium chrome molybdenum steel, this socket allows the user to apply maximum torque to ensure precise assembly and function. The tool meets and exceeds ANSI/ASME standards.
DESIGN: The socket has a slotted design. So you remove the oxygen sensor with the harness still connected. This 3/8" drive oxygen sensor socket is also offset and compact, providing extra leverage even in hard-to-reach locations.
FEATURES: 7/8" (22mm) socket fits most oxygen sensors, works with any 3/8" drive ratchet or breaker lever, offset drive gate with wire links the sensor from the side to prevent damage to the wires.
FUNCTION: This oxygen sensor is very convenient to use, the sensor is in the harshest environments and may need to remove some elbow grease, this quality tool will save you time! to help your car's emissions and fuel consumption.
WHAT YOU GET: 1 x Offset Oxygen Sensor Socket. This product is sure to meet your requirements. If you have any questions, please contact us in time, we will reply you within 24 hours.

Rank No. #5

Upstream Oxygen o2 Sensor for 2004-10 Toyota Sienna 3.3/3.5L Rear 09-13 Highlander 2.7L 15-19 Subaru Outback Legacy 3.6L Assessed Auto

PRODUCT ENGINEERING: Based on OE expertise, and specifically engineered for the aftermarket, Assessed Oxygen Sensors offer superior OE fit, form, function
ASSESSED ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with Better durability
OE TECHNOLOGY: Upgraded to the latest OE technologies, Assessed Oxygen Sensors are designed to reduce failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability

Rank No. #6

Vinrold Oxygen o2 Sensor Downstream for Toyota 2004-2013 Highlander 2004-15 Sienna 09-15 Venza Lexus RX350 05-10 Scion TC 08-15 XB

Important Note: Before buying, note the length of wires, type of connectors, and number of wires. Also, check instructions and compatibility charts (Year, Make, Model, Engine and other notes)
Downstream sensor for Lexus gs450h hs250h ls460 rx330 rx350 rx400h rx450h Scion IQ TC XB Toyota camry highlander sienna solara venza
Coated threads are easy to install, this design provides double protection and the wires are very strong
Intall-These O2 Sensor sets are designed for quick and easy installation and perfect replacement
This comes with 30 days hassle-free return & 1 year unlimited replacement promise

Rank No. #7

3/8 Inch Drive x 7/8 Inch (22mm) Offset Oxygen Sensor Socket, Wire Gate Accesses Sensor from Side, Oxygen Sensor Offset Puller Universal for Most Models of Cars

[High quality]: Offset Oxygen Sensor Socket is made of high quality chromium-molybdenum steel, precision cast for maximum torque and precise fit, coated with black oxide to prevent rusting and long life.
[Use]: You can also use this 3/8 drive oxygen sensor socket removal tool to replace your oxygen sensor to help your car's emissions and gas mileage. This 22mm oxygen sensor socket is also offset and compact, providing extra leverage even in hard to reach places.
[Widely available]: Universal 6-point, 7/8-inch (22mm) socket, Use with any 3/8" drive ratchet or breaker bar, Universal for most oxygen sensors.
[Easy to handle]: No need to remove or damage the wiring harness, the slotted design is used to remove and install the 7/8-inch 22mm oxygen sensor in hard-to-reach locations.
[About us]: We strive to constantly innovate to meet our customers' needs, provide them with better products and create a perfect product experience. Our goal is to serve every detail and bring convenience to every home.

Rank No. #8

X AUTOHAUX 1pcs Upstream Downstream Oxygen Sensor for Toyota Prius 2004 2005 2006 2007 2008 2009 234-4209 89465-47070 89467-47071

[Material] Oxygen sensor is made of quality materials, reliable quality, durable, long service life. It's a good match to the original car.
[OE Number] 234-4209, 89465-47070, 89467-47071.
[Fitment] for Toyota Prius 2004-2009.
[Installation] O2 sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation.
[Package Includes] 1 Pcs Oxygen Sensor, 8 Pcs Tools.

Rank No. #9

DOSKJOK 234-9049 O2 Oxygen Sensor Air Fuel Ratio Upstream Compatible with Camry 2003-2011 RAV4 Solara 2004-2008 Sienna 2007-2010 Highlander tC tB RX350 1Pcs

APPLICABLE MODELS - Air Fuel Ratio Sensor Upstream Compatible with ES350 2007 RX350 2010-2011 RX450h 2010.
FIT VEHICLES - O2 Oxygen Sensor Upstream Compatible with Avanlon 2005 Camry 2003-2011 Highlander 2001-2003 Sienna 2007-2010 tC 2005-2010 xB 2008-2015 RAV4 2004-2008 Solara 2004-2008.
QUALITY & FUNCTION - DOSKJOK Oxygen Sensors are manufactured under rigorous scientific standards and 100% tested out of the factory.It is more durable, oxidation resistant and high temperature, to ensure long-term stable performance, improve vehicle fuel economy, help engine smooth operation, reduce exhaust emissions and enhance environmental protection.
INSTALL - Oxygen Sensors directly replace the old parts in the original position of the installation without change,easy to install on your vehicle, and come with pre-coated threads to assist installation.
NOTES - Please carefully check your vehicle year & make & model，pictures and parts No to confirm the compatibility before purchasing. If you have any fit or use questions,please contact us by Amazon buyer and seller messaging service.

Rank No. #10

Dropwater Low Downstream Oxygen O2 Sensor Replacement for Toyota 2004 2005 2006 2007 2008 2009 2010 Sienna 3.3L 3.5L,Replaces#75-3944 15677 SG1658 234-4516

👉【Replacement Part Number】75-3944 15677 SG1658 234-4516
📦【Package Includes】1 x Oxygen Sensor;
✅ 【Application】Replacement for Toyota Sienna 2006 2005 2004 Fwd 3.3L,Sienna 2010 2009 2008 2007 Fwd 3.5L
⚠️【Cautions】Please check your car information with Compatibility Garage (make,model and trim level) and OEM number before purchase. It is will fit for your vehicle when the plug & the length & position is the same as your original oxygen sensor.
⚙️【Easy Installation】The Oxygen Sensors seamlessly replace the existing components in their original installation positions,requiring no modifications. Installation is simplified on your vehicle,facilitated by pre-coated threads that contribute to a smooth and efficient installation process.

SaleRank No. #11

A ABIGAIL 5 PCS Automotive O2 Oxygen Sensor Socket Offset Wrench Remover Tool and Thread Chaser Tool

【Design】 Standard 6 point with low profile and slotted design to enable you remove oxygen sensors with the wiring harness still attached, and the socket is offset and compact which allows extra leverage even in hard to reach spots.
【USE】 Built for use with ratchets and breakers bars to remove and install oxygen sensors and hex vacuum switches on vehicle, even if you don't have a lot of experience working with cars. This high quality tool can save your time!
【Package】1-pc 3/8” Dr. extra deep broach socket (3-1/8” long), 1-pc 3/8” Dr. low-profile crowfoot socket wrench (1-1/4” long), 1-pc 1/2” Dr. offset crowfoot socket wrench (1-15/16” long), 1-pc M18 x 1.5mm and 1-pc M12 x 1.25mm thread chasers with 3/8” drive to clean and repair damaged threads
【Material】 Made from high performance chrome molybdenum and solid cast steel construction for strength and durability - Finished with Black Oxide to prevent rust.
【Service】100% satisfaction guarantee, If you have any issues with the Oxygen Sensor Socket Wrench and Thread Chaser Set, simply contact customer service for troubleshooting help, parts, replacement, or refund. Our aim is to make you satisfy the parts and the service we provide for you.

Rank No. #12

MAXFAVOR Air Fuel Ratio O2 Sensor Rear Upstream 234-9012 Oxygen Sensor Replacement for Toyota 2006 2005 2004 Sienna AWD/FWD, Right Side Upstream O2 sensor 2007 2008 2009 2010 SIENNA AWD/FWD

➤【Interchange Number】234-9012, 13737, 75-4235, ES10935,24663,SG763
➤【Applications】Replacement for Toyota 2006 2005 2004 Sienna AWD/FWD Rear Upstream O2 sensor, 2007 2008 2009 2010 SIENNA AWD/FWD
➤【Cautions】:Pls carefully check your vehicle year & make & model with the fitment of Amazon and our description. You must read our description carefully, and it will tell you more about the fitment. Pls check your part pictures with our pictures, it must be completely same. Or it will not fit your car. Pls check your parts No. It must be among our fitment OEM No. If you have any questions, please email us, we try to answer all email within 24 hours.
➤【Installation】:Step1. Locate the oxygen sensor position and remove it with socket, step2. Compare the new sensor to the old sensor to ensure a proper installation, step3. Please clean the threaded port to en sure a proper seal of the new sensor,step4.Gently tighten the sensor in order to keep wire free from damage and avoid sensor leakage, step 5,reinstail the connecor,try to clear it if the car has diagnostic trouble codes.
➤【Warranty】: 1-Year Unlimited Miles Warranty. If the oxygen sensor doesn not fit your vehicle, we accept return. Please make the item clean and package in good condition.

Rank No. #13

234-4260 2344260 Oxygen O2 Sensor Compatible with Camry Tundra Venza FJ Cruiser ES350 LX570 2007 2008 2009 2010 2012 2013 2014,RAV4 Sienna 2007-2010,Avalon Sequoia 4Runner Tacoma 2005-2014

IMPORTANT: Carefully check fitment of Amazon, list description and part pictures. Must make sure our part pictures are same as yours. Because The first two could not identify vehicle months & engine difference. If pictures (body,socket,plugs) are same, certainly the part will fit your car. Or If you have part no., please make sure the part no. is among our Interchange part number list. If yes, the part usually fits your car. So the pictures or part no. are more important.
Compatible OEM part number of this oxygen sensor is 234 4260,2344260 ,234-4260
ONE YEAR unlimited mileage warranty with excellent processing technology, guaranteed direct fit for easy installation.
1 year warranty.High quality assured. Just not hesitate to contact us to get an easy replacement or refund in case any problem with our part in warranty time.

SaleRank No. #14

Denso 234-4516 OE Heated 4-Wire Downstream Oxygen Sensor 15.75”

Designed to detect the amount of oxygen in the exhaust system
Constructed from high quality material
Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
Manufactured with precision to meet OE standards
Easy installation

Rank No. #15

higherbro 4x Oxygen sensor for Toyota Sienna 2007 2008 2009 2010 3.5L Upper Lower Upstream +Downstream

Fit 2007-2010 Toyota Sienna 3.5L;
Installation: 4pcs; 2x Upstream(Air Fuel Ratio Sensor) + 2x Downstream
One Year Quality Guarantee
Before buying, check the “Select Your Vehicle” check (Make, model, year, engine, Note,The engine and Note in particular) at the top of the link to see if your car can be used.

Rank No. #16

DOSKJOK 234-9012 O2 Oxygen Sensor Air Fuel Ratio Upstream 250-54008 Compatible with Sienna 3.3L 3.5L V6 04 05 06 07 08 09 10 1Pcs

APPLICABLE MODELS - Air Fuel Ratio Sensor Upstream Compatible with Sienna 2004-2010 3.3L,3.5L V6.
FIT VEHICLES - O2 Oxygen Sensor Upstream Heated Compatible with Sienna 2004-2010 3.3L,3.5L V6.
QUALITY & FUNCTION - DOSKJOK Oxygen Sensors are manufactured under rigorous scientific standards and 100% tested out of the factory.It is more durable, oxidation resistant and high temperature, to ensure long-term stable performance,help engine smooth operation.
INSTALL - Oxygen Sensors directly replace the old parts in the original position of the installation without change,easy to install on your vehicle, and come with pre-coated threads to assist installation.
NOTES - Please carefully check your vehicle year & make & model，pictures and parts No to confirm the compatibility before purchasing. Please contact us if any question of fitment.

Rank No. #17

X AUTOHAUX 1pcs Upstream Oxygen Sensor Replacement for Toyota Sienna 04-10 89467-08040

[Material] Oxygen sensor is made of quality materials, reliable quality, durable, long service life. It's a good match to the original car.
[OE Number] 2349012, 8946708040, 234 9012, 89467 08040, 234-9012, 89467-08040.
[Fitment] for Toyota Sienna 2004-2010.
[Installation] O2 sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation.
[Package Includes] 1 Pcs Oxygen Sensor.

Rank No. #18

Upstream O2 Oxygen Sensor Replacement for Toyota Camry 2004 2006 Sienna 2004-2010 Highlander Solara Subaru Outback Legacy 2015-2019

Direct Fit: Manufactured to OE Specification Fit Form and Function. Please Check the Plug, Fitment, Notes and Description for Accurate Information
Fitment: Replacement for Subaru Legacy/Outback 2015-2019 (3.6R Limited), Outback 2017-2019 H6 3.6L (3.6R Touring)---Upstream Left
Fitment: Replacement for Toyota Camry 2004 /2006 V6 3.3L, Sienna 2004-2006 V6 3.3L, Sienna 2007-2010 V6 3.5L, Solara 2004 V6 3.3L---Upstream Rear, Highlander 2009-2014 L4 2.7L (Upstream B1S1)
Replace OE Number: 89467-48080, 250-54008, 8946748080, 25054008
Warranty: One-year Warranty. All YHTAUTO Oxygen Sensors are Easy to Install on Your Vehicle, And Come with Pre-coated Threads to Assist Installation

SaleRank No. #19

X AUTOHAUX Air Fuel Ratio O2 Oxygen Sensor Replacement for Lexus LS460 2009-2016 8946502280 250-24420

[] Oxygen sensor features double protection layer, aluminum oxide layer, PTFE filter and stainless steel housing.
[Function] Air fuel ratio sensorcan improve engine efficiency performance and fuel economy.
[Fitment] for Toyota Sienna 2004-2014,for Toyota Venza 2009-2014,for Toyota Highlander 2004-2015,for Toyota Solara 2002-2003,for Toyota Camry 2002-2003,for Scion xB 2008-2015,for Scion iQ 2012-2015,for Scion tC 2010.
[Installation] O2 sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation.
[Package Includes] 1x Oxygen Sensor.1x Oxygen Sensor Instruction Manual.

Rank No. #20

Garage-Pro Oxygen Sensor Before Secondary Catalytic Converter Compatible with 2004 Toyota Camry, 2006 Camry, 2009-2014 Highlander & 2004-2010 Sienna Air/Fuel Sensor, 4-Wire, Upstream

Garage-Pro Aftermarket Replacement Oxygen Sensor Compatible with 2004 Toyota Camry, 2006 Camry, 2009-2014 Highlander & 2004-2010 Sienna
Garage-Pro JCWRT31870004GP Features: Air/Fuel Sensor, 4-Wire, Upstream
Location: Before Secondary Catalytic Converter
Interchange Part Numbers: 25054008, 2349092, 13737
A high quality, Direct Fit OE Replacement Oxygen Sensor with FREE 1-year UNLIMITED mileage warranty coverage on Garage-Pro items.

Last update on 2023-09-10 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: Where are oxygen sensors in Toyota?

A: The o2 sensor for Toyota Tundra is located in the exhaust pipe where it measures the air-fuel ratio of the engine emissions. It greatly contributes to monitoring the fuel economy of the vehicle. In some cases, a faulty oxygen sensor affects the engine timing and combustion intervals, which leads to a rough engine idle.

Q: Where is the oxygen sensor on a Toyota?

A: On pre 1996 TOYOTA Camry vehicles the oxygen is located in the exhaust manifold or front exhaust pipe near the exhaust manifold. Four cylinder has one oxygen sensor and V6 and V8 may has two, one for each engine bank. On 1996 “MAKE MODEL” and later OBDII equipped vehicles will have a least two oxygen sensors.

Q: Where’s is O2 sensor Bank 1, sensor 2 located?

A: Bank 1 Sensor 2 is the second sensor on the engine’s exhaust pipe, usually behind the catalytic converter. On Bank 1 means it is at the engine side with cylinders 1, 3, 5, 7, etc. Bank 2 Sensor 1 is the first sensor closest to the engine. On Bank 2 means it is at the engine side with cylinders 2, 4, 6, 8, etc.

Q: Where is the O2 sensor located?

A: On almost every car, there is an O2 sensor located in the front, on the exhaust pipe, or manifold, and there is an O2 sensor located after the Catalytic converter. The front O2 sensor is the most important because it monitors the air/fuel ratio.