Oxygen Sensor for 1990-1993 Mazda Miata - Walker 350-31025

Walker Products 350-31025 oxygen sensor for the 1990-1993 Mazda Miata 4-cylinder 1.6L measures the oxygen content of the exhaust gas to gauge combustion efficiency. This upstream Walker Products oxygen sensor is a narrow-band, direct-fit unit.

• Monitors exhaust gases and helps reduce pollutants
• Determines the oxygen content of the exhaust gas and tracks the air-fuel ratio for combustion efficiency
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Measures oxygen levels so the air-fuel mixture can be fine-tuned, which helps fuel economy
• Electrodes with a gas-permeable platinum layer

Quick facts

• Part: Walker Products 350-31025 oxygen sensor
• Fits: 1990-1993 Mazda Miata 4-cylinder 1.6L
• Position: Upstream
• Condition: New

A failing sensor can show up as rough running, higher fuel use, more exhaust emissions or a lit malfunction indicator light. Before you replace the sensor, look over its wiring harness and connector for physical damage with the engine off and cool, because a fault there or elsewhere in the engine management system can look the same.

Fits

This oxygen sensor is a direct-fit replacement for the 1990-1993 Mazda Miata 4-cylinder 1.6L, which takes one. This listing is one sensor.

Specifications