Walker Products Oxygen Sensor P/N:250-24493
Walker Products 250-24795 oxygen sensor for the 2007-2013 Mazda 3 4-cylinder 2.3L measures the oxygen content of the exhaust gas. This Walker Products oxygen sensor is a narrow-band, 4-wire unit for the downstream position.
A failing sensor can show up as rough running, higher fuel consumption or a lit malfunction indicator light. Before you replace the sensor, look the wiring harness and connector over for physical damage, since a fault there can look just like a bad sensor.
Use it as a direct-fit oxygen sensor replacement for the 2007-2013 Mazda 3 4-cylinder 2.3L. This listing is one sensor, and the 2007-2013 Mazda 3 4-cylinder 2.3L takes one.
Fit and size
Build and materials
Will this oxygen sensor work on a 2008 Mazda 3 4-cylinder 2.3L?
Yes. The Walker Products 250-24795 fits the 2007-2013 Mazda 3 4-cylinder 2.3L, and the 2008 model year falls inside that range.
Is the Walker Products 250-24795 an upstream or downstream sensor?
The Walker Products 250-24795 is a downstream, narrow-band oxygen sensor with 4 wires.
What does the platinum layer on this oxygen sensor do?
The electrodes are coated with a gas-permeable platinum layer. The coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust.
Will this oxygen sensor give the engine computer the signal it expects?
Yes. Each Walker Products sensor is built for its specific application and fitment position, so it returns the diagnostic feedback the ECU requires.
Will a failed oxygen sensor store a trouble code?
Newer vehicles store fault codes in the ECU, and some relate to the affected sensor and its associated systems. A shop can read them with a scan tool.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.