8946550180 Toyota SENSOR, OXYGEN NO.2, Price: 189.66$, Weight: 0.153kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
8946550180 |
SENSOR, OXYGEN NO.2 |
0 |
0.153 |
7-10 |
189.66$ |
| Not Available | ||||||
Originals
Compatibility
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| USF4# | USF41L-AEZGKW | ATM,MTM: AUTOMATIC TRANSMISSION; Driver's Position: LEFT-HAND DRIVE VEHICLES; Fuel Induction: HIGH EFFICIENCY TWIN CAM; Engine: (1URFE) 4600CC 32-VALVE DOHC EFI; Destination: EUROPE | 08.2006 - 09.2012 | View |
Downstream Oxygen Sensor for Toyota Exhaust System
This replacement sensor is fitted after the catalytic converter and is vital for keeping your Toyota’s emissions clean and fuel control accurate. It “double-checks” how well the catalyst is working, helping the ECU fine-tune mixture strategy and protect the converter from long-term damage 🙂
Why this part is needed
As the exhaust ages, carbon deposits, heat cycles, and moisture can slow sensor response. A healthy downstream signal helps maintain stable MPG, pass inspection tests, and reduce harmful gases 👍
How it works
The sensing element measures oxygen content in the exhaust stream and sends a voltage signal to the engine computer. The ECU compares this data with the upstream sensor to confirm catalytic efficiency and adjust fuel trimming logic when required 🔧
What happens if it’s broken
A faulty unit may trigger a check engine light, cause failed emissions, increase fuel use, and set catalyst efficiency codes. In some cases the engine can run rich, overheating the converter and shortening its life 🚗