NGK O2 SENSORS 24446 ntk oxygen sensor-direct fit for the 2006-2009 Mazda 3 2.0L / 2.3L and other vehicles sends constant closed-loop feedback to the ECU, which helps control the air-fuel ratio.
A failing oxygen sensor can show up as a check engine light, rougher running or poorer fuel economy, though other faults cause those too. With the engine off and cool, look over the harness and connector for cracked insulation or corrosion before you replace the sensor.
It is a direct-fit replacement for the 2009 Mazda 3 Sport 2.0L as well. A 2006-2009 Mazda 3 2.0L / 2.3L takes one sensor.
Fit and size
Build and materials
Does the NGK 24446 oxygen sensor fit a 2006-2009 Mazda 3 2.0L or 2.3L?
Yes. NGK O2 SENSORS 24446 is a direct-fit sensor for the 2006-2009 Mazda 3 2.0L / 2.3L, and it also covers the 2009 Mazda 3 Sport 2.0L.
What thread and hex size does the NTK 24446 oxygen sensor have?
NGK O2 SENSORS 24446 has an M18 - 1.5 thread and a 7/8" (22mm) hex size.
Is this NTK oxygen sensor heated, and what type is it?
Yes, this oxygen sensor is heated, and it is a switching zirconia, narrow-band type.
Can a bad oxygen sensor trigger a check engine light?
Yes. A faulty oxygen sensor can set a light, because the sensor gives the ECU closed-loop feedback and alerts the OBDII system to possible fuel delivery or catalytic converter efficiency problems. A shop can read the stored code.
Does this NTK oxygen sensor come with a connector and harness hardware?
Yes. This oxygen sensor is equipped with OE-specified, water-resistant connectors and harness accessory hardware for easy installation.
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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.
