Oxygen Sensor for 1998 Subaru Forester & More - Walker 250-23088

Walker Products 250-23088 oxygen sensor for the 1998 Subaru Forester H4 2.5L and other vehicles measures the oxygen in the exhaust gas to gauge combustion efficiency. The sensor is made for its specific application and position and sends the ECU the diagnostic feedback it requires.

• Electrodes made of a gas-permeable platinum layer
• Measures oxygen levels to help fine-tune the air-fuel mixture and fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Determines the oxygen content of the exhaust gas to monitor the air-fuel ratio
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-23088 oxygen sensor
• Fits: 1998 Subaru Forester H4 2.5L and other vehicles
• Position: Upstream, downstream

A failing sensor can cause rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. These signs alone do not prove the sensor is the problem; an exhaust leak can cause some of them too. The 1998 Subaru Forester H4 2.5L takes one sensor, and this listing is one.

Fits

This oxygen sensor for the 1995-1998 Subaru Impreza H4 2.2L, the 1996-1997 Impreza H4 1.8L and the 1998 Impreza H4 2.5L also fits the 1998 Subaru Forester H4 2.5L, the 1995-1998 Subaru Legacy H4 2.2L and the 1996-1998 Legacy H4 2.5L.

Specifications