Oxygen Sensor for 2012-2015 Mazda 5 - Walker 250-25085

Walker Products 250-25085 oxygen sensor for the 2012-2015 Mazda 5 4-cylinder 2.5L reads the oxygen in the exhaust gas so the engine computer can follow combustion. It is made for its specific application and fitment position on the vehicle.

• Monitors the air-fuel ratio for combustion efficiency
• Oxygen readings help fine-tune the air-fuel mixture for fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Electrodes with a gas-permeable platinum layer
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-25085 oxygen sensor
• Fits: 2012-2015 Mazda 5 4-cylinder 2.5L
• Position: Upstream
• Condition: New

A failing sensor can show up as rough running, higher fuel use, more exhaust emissions or a warning light. A vacuum leak can also make an engine run poorly, so these signs alone do not prove the sensor is the problem. The sensor, wiring harness and connector can also be inspected for physical damage.

Fits

This Walker Products oxygen sensor is a direct-fit upstream sensor for the 2012-2015 Mazda 5 L4-2.5L.

Specifications

In the box

One oxygen sensor. The 2012-2015 Mazda 5 4-cylinder 2.5L takes one.