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Features & Specifications:
Planar technology helps reduce emissions
Compatibility:
2000-2001 Lexus ES300 3.0L
2006 Lexus GS300 3.0L
2007-2011 Lexus GS350 3.5L
2007-2011 Lexus GS450h 3.5L
2008-2011 Lexus GS460 4.6L
2010-2013 Lexus GX460 4.6L
2005-2009 Lexus GX470 4.7L
2010-2012 Lexus HS250h 2.4L
2008-2014 Lexus IS F 5.0L
2006-2012 Lexus IS250 2.5L
2006-2012 Lexus IS350 3.5L
2007-2013 Lexus LS460 4.6L
2008-2014 Lexus LS600h 5.0L
2005-2007 Lexus LX470 4.7L
2008-2011 Lexus LX570 5.7L
2008 Lexus RX400h 3.3L
2005-2008 Pontiac Vibe 1.8L
2005-2009 Toyota 4Runner 4.0L
2005-2009 Toyota 4Runner 4.7L
2000-2004 Toyota Avalon 3.0L
2001 Toyota Camry 3.0L
2005-2008 Toyota Corolla 1.8L
2007-2009 Toyota FJ Cruiser 4.0L
2001-2003 Toyota Highlander 2.4L
2008-2010 Toyota Highlander 3.3L
2005-2007 Toyota Land Cruiser 4.7L
2008-2011 Toyota Land Cruiser 5.7L
2005-2008 Toyota Matrix 1.8L
2010-2012 Toyota Sequoia 4.6L
2005-2009 Toyota Sequoia 4.7L
2008-2011 Toyota Sequoia 5.7L
2001-2003 Toyota Sienna 3.0L
2001-2003 Toyota Solara 3.0L
2005-2011 Toyota Tacoma 4.0L
2005-2010 Toyota Tundra 4.0L
2010-2013 Toyota Tundra 4.6L
2005-2009 Toyota Tundra 4.7L
2007-2011 Toyota Tundra 5.7L
2006-2012 Toyota Yaris 1.5L
location:Upstream: location is between the catalytic converter and the engine
Downstream: location is between the catalytic converter and the tailpipe
Oxygen Sensor Q & A
1.How are the oxygen sensors identified on a scan tool?
When displayed on a scan tool, the right and left upstream oxygen sensors are typically labeled Bank 1, Sensor 1 and Bank 2, Sensor 1. The Bank 1 sensor will always be on the same side of a V6 or V8 engine as cylinder number one.
On a scan tool, the downstream sensor on a four or straight six cylinder engine with single exhaust is typically labeled Bank 1, Sensor 2. On a V6, V8 or V10 engine, the downstream O2 sensor might be labeled Bank 1 or Bank 2, Sensor 2. If a V6, V8 or V10 engine has dual exhausts with dual converters, the downstream O2 sensors would be labeled Bank 1, Sensor 2 and Bank 2, Sensor 2. Or, the downstream oxygen sensor might be labeled Bank 1 Sensor 3 if the engine has two upstream oxygen sensors in the exhaust manifold (some do to more accurately monitor emissions).
It's important to know how the O2 sensors are identified because a diagnostic trouble code that indicates a faulty O2 sensor requires a specific sensor to be replaced. Bank 1 Sensor 1 might be the back O2 sensor on a transverse V6, or it might be the one on the front exhaust manifold. What's more, the O2 sensors on a transverse engine might be labeled differently than those on a rear-wheel drive application. There is not a lot of consistency as from one vehicle manufacturer to another as to how O2 sensors are labeled, so always refer to the OEM service literature to find out which sensor is Bank 1 Sensor 1 and which one is Bank 2 Sensor 1. This information can be difficult to find. Some OEMs clearly identify which O2 sensor is which but others do not. If in doubt, call a dealer and ask somebody in the service department.
2.What's the difference between a "heated" and "unheated" oxygen sensor?
Heated oxygen sensors have an internal heater circuit that brings the sensor up to operating temperature more quickly than an unheated sensor. An oxygen sensor must be hot (about 600 to 650 degrees F) before it will generate a voltage signal. The hot exhaust from the engine will provide enough heat to bring an O2 sensor up to operating temperature, but it make take several minutes depending on ambient temperature, engine load and speed. During this time, the fuel feedback control system remains in "open loop" and does not use the O2 sensor signal to adjust the fuel mixture. This typically results in a rich fuel mixture, wasted fuel and higher emissions.
By adding an internal heater circuit to the oxygen sensor, voltage can be routed through the heater as soon as the engine starts to warm up the sensor. The heater element is a resistor that glows red hot when current passes through it. The heater will bring the sensor up to operating temperature within 20 to 60 seconds depending on the sensor, and also keep the oxygen sensor hot even when the engine is idling for a long period of time.
Heated O2 sensors typically have two-three or four wires (the extra wires are for the heater circuit). Note: Replacement O2 sensors must have the same number of wires as the original, and have the same internal resistance.
The OBD II system also monitors the heater circuit and will set a trouble code if the heater circuit inside the O2 sensor is defective. The heater is part of the sensor and cannot be replaced separately, so if the heater circuit is open or shorted and the problem is not in the external wiring or sensor connector, the O2 sensor must be replaced.
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| Item Specifics | |
|---|---|
| Brand | carpartsst |
| Manufacturer Warranty | 1 Year |
| Type | Sensor |
| Number of Pieces | 1 |
| Interchange Part Number | 234-9021C, SG745C, 24822C |
| Other Part Number | KN4-372-C, OS1533-C, OS5293-C |
| Superseded Part Number | 8946741030CW, 24658CW, 250-54003CW |
| Custom Bundle | No |
| Fitment Type | Direct Replacement |
| Modified Item | No |
| Position | Upstream |
| Connector Gender | Male |
| Wire Harness Length(mm) | 580 |
| Wire Quantity | 4 |
| Pin Quantity | 4 |
| Sensor Type | Heated |
| Thread Diameter | 18mm |
| Universal Or Specific Fit | Specific |
| Attachment Method | Screw-On |
| Terminal Type | Blade |
| Features | Direct Fit |
| Manufacturer Part Number | CP050RE737T902 |
| Type | Sensor |
| Features | Direct Fit |
We accept multiple payment methods
All domestic orders will be shipped via USPS, UPS or Fedex from our US warehouse and usually arrives to your door in about 2-7 business days.
All of our brand new items come with a 60-Days money-back guarantee.
Any question, please contact us by email on working days.
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New 234-9021 Air Fuel Ratio Oxygen Sensor 02 O2 for 00-04 Toyota Avalon V6 3.0L
Features & Specifications:
Compatibility:
2000-2001 Lexus ES300 3.0L
location:Upstream: location is between the catalytic converter and the engine Downstream: location is between the catalytic converter and the tailpipe
Oxygen Sensor Q & A 1.How are the oxygen sensors identified on a scan tool?
2.What's the difference between a "heated" and "unheated" oxygen sensor?
Sweet Tips:
We accept multiple payment methods All domestic orders will be shipped via USPS, UPS or Fedex from our US warehouse and usually arrives to your door in about 2-7 business days. All of our brand new items come with a 60-Days money-back guarantee. Any question, please contact us by email on working days. All rights reserved. |
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