Air / Fuel Ratio Sensor for 2009-2010 Toyota Corolla & More - DENSO 234-9056

DENSO Auto Parts 234-9056 air / fuel ratio sensor for the 2009-2010 Toyota Corolla 4-cylinder 1.8L and other vehicles measures the oxygen in the exhaust so the engine computer can track the air-fuel ratio. This DENSO Auto Parts air fuel ratio sensor is a wide-band unit for the upstream position.

• Laser-welded stainless housing that resists corrosion
• PTFE filter that blocks contaminants under harsh engine conditions
• Dual-layer protection around the ceramic element for fast, reliable response times
• Heated sensor with 4 wires and a male connector
• Wiring harness length of 14.25 in

Quick facts

• Part: DENSO Auto Parts 234-9056 air / fuel ratio sensor
• Fits: the 2009-2010 Toyota Corolla 4-cylinder 1.8L and other vehicles
• Position: Upstream
• Condition: New

A worn air / fuel ratio sensor can show up as a check engine light, a rough idle or lower fuel economy. Before you replace the sensor, rule out wiring or connector damage and an exhaust leak ahead of it, since either can produce a similar fault.

Fits

This sensor is a direct-fit replacement for the 2009-2010 Toyota Corolla 4-cylinder 1.8L, the 2004-2009 Toyota Prius 4-cylinder 1.5L and the 2009-2010 Toyota Matrix 4-cylinder 1.8L. It is manufactured and tested to the strictest OE standards. Driving something else? Look your car up in the "Vehicles it fits" section.

Specifications

In the box

One air / fuel ratio sensor; a car takes one at this upstream position.