894650D150 Toyota SENSOR, OXYGEN NO.2, Price: 32.08$, Weight: 0.002kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
894650D150 |
SENSOR, OXYGEN NO.2 |
7 |
0.002 |
2-3 |
32.08$ |
Compatibility
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| AXP4#,NCP4#,SCP4# | NCP42R-EEPSKE | ATM,MTM: AUTOMATIC TRANSMISSION; NO. Of Doors: 4 DOOR; Driver's Position: RIGHT-HAND DRIVE VEHICLES; Grade: 1.5E TYPE; Engine: (1NZFE) 1500CC 16-VALVE DOHC EFI; Destination: FOR MALAYSIA | 05.2003 - 08.2007 | View |
Rear Oxygen Sensor (Downstream) for Toyota
This downstream O2 sensor sits after the catalytic converter and fine-tunes fuel trims while confirming catalyst efficiency. With precise readings and a fast-heating element, it helps your engine run clean, smooth, and efficient. Sealed connectors and a robust tip resist heat, vibration, and moisture for long service life.
Why you need it
The engine control unit uses this sensor to balance air–fuel mix and keep emissions low. A healthy sensor improves fuel economy, throttle response, and ensures your car passes inspection. It also protects the catalytic converter from damage caused by incorrect mixture.
How it works ⚙️
A zirconia cell compares oxygen in the exhaust to outside air and generates a small voltage. The heater quickly brings the tip to operating temperature so the ECU can enter closed-loop control. Stable switching signals confirm the catalyst is storing oxygen and cleaning the exhaust.
What happens if it’s bad ⚠️
Expect Check Engine Light, higher fuel use, rough idle, sulfur smell, sluggish power, and failed emissions. Long-term, a rich mix can overheat and melt the catalyst, leading to costly repairs.
Install tips ️
Fit to the post-cat bung, route the harness away from heat, plug firmly, clear codes, and verify no exhaust leaks. Torque to spec; avoid sealants that can foul the sensing tip.
Compatibility
- Vios / Soluna Vios