Oxygen Sensor for 2002-2004 Acura RSX - Walker 250-54014

Walker Products 250-54014 oxygen sensor for the 2002-2004 Acura RSX 4-cylinder 2.0L measures the oxygen in the exhaust gas to track combustion efficiency. It is made for this application and fitment position and sends the ECU the diagnostic feedback it requires.

• 4-wire wide-band design that reads the air-fuel ratio in the exhaust
• Monitors exhaust gases to help reduce pollutants
• Measures oxygen levels so the air-fuel mixture can be fine-tuned for fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Electrodes made of a gas-permeable platinum layer

Quick facts

• Part: Walker Products 250-54014 oxygen sensor
• Fits: 2002-2004 Acura RSX 4-cylinder 2.0L
• Position: Upstream
• Condition: New

A failing sensor can show up as an engine that runs poorly, higher fuel use, more exhaust emissions or a lit malfunction indicator light. Before you replace it, rule out physical damage to the sensor's wiring harness and connector, since damage there can shorten a sensor's life.

Fits

This O2 sensor fits the 2002-2004 Acura RSX 4-cylinder 2.0L (L4-2.0L), which takes one upstream sensor. This listing is a single oxygen sensor.

Specifications