Left Oxygen Sensor for 2000-2009 Saab 9-5 & More - Walker 250-241122

Walker Products 250-241122 left oxygen sensor for the 2000-2009 Saab 9-5 4-cylinder 2.3L and other vehicles measures the oxygen in the exhaust gas to show how efficiently the engine burns fuel. It is a downstream sensor with four wires that passes its reading on to the ECU.

• Monitors the air-fuel ratio for combustion efficiency
• Coating protects the electrode surfaces from erosion and contamination by combustion residue and particulates
• Electrodes made of a gas-permeable platinum layer
• Built for its specific application and fitment position to give the ECU the diagnostic feedback it needs
• Oxygen readings help the ECU fine-tune the air-fuel mixture and keep exhaust pollutants down

Quick facts

• Part: Walker Products 250-241122 oxygen sensor
• Fits: 2000-2009 Saab 9-5 4-cylinder 2.3L and other vehicles
• Position: Downstream left
• Condition: New

Rough running, higher fuel consumption or a lit malfunction indicator light can mean the sensor is worn, though its wiring harness and connector can be behind the same signs, so look both over for physical damage before replacing it.

Fits

It is an oxygen sensor for the 2000-2009 Saab 9-5 4-cylinder 2.3L, and it also fits the 2000-2002 Saab 9-3 4-cylinder 2.3L, the 2000-2003 9-3 4-cylinder 2.0L and the 2000-2002 Volvo S80 6-cylinder 2.9L. This listing is one sensor for the downstream left position. The 2000-2001 Volvo S80 6-cylinder 2.9L takes two, while the 2002 Volvo S80 6-cylinder 2.9L and the Saab applications take one.

Specifications