Make Toyota

8946560250 SENSOR, OXYGEN

Compatibility

Toyota 8946560250

DescriptionModelOptionsProd PeriodDiagram
GRN21#,UZN21#UZN215L-GKAZKAATM,MTM: AUTOMATIC TRANSMISSION; Grade: LIMITED TYPE; Gear Shift Type: ATM, 5-SPEED FLOOR SHIFT; Engine: (2UZFE) 4700CC 32-VALVE DOHC EFI08.2002 - 08.2009 View
DescriptionModelOptionsProd PeriodDiagram
CM7#,8#,KM7#,8#KM85-TKQDEATM,MTM: MANUAL TRANSMISSION; Building Condition: COMPLETELY BUILT UNIT; Grade: DX TYPE; Deck: SINGLE JUST LOW; Gear Shift Type: MTM, 5-SPEED COLUMN SHIFT; Engine: (7KE) 1800CC08.2002 - 08.2007 View

Information

Essential Role of Vehicle Oxygen Sensor

The oxygen sensor is crucial for the engine management system. It monitors the oxygen level in the exhaust gases and sends data to the engine control unit (ECU). This information helps keep the fuel mixture at the optimal ratio for efficient combustion. A working sensor ensures better fuel economy, lower emissions, and smooth engine performance. βš™οΈ

How This Sensor Works

This part sits in your exhaust system and checks how much oxygen is present in the gases leaving the engine. It creates a voltage signal based on the air-to-fuel ratio. The ECU reads this signal and adjusts fuel injection for cleaner, more efficient running.

Common Effects of Sensor Failure

  • Increase in fuel consumption β›½
  • Check Engine light comes on
  • Poor engine performance or rough idle
  • Higher emissions, often failing emissions tests

Compatible Models

  • 4Runner
  • Lite/Townace