Walker Products Oxygen Sensor P/N:250-24546
NGK O2 SENSORS 24546 oxygen sensor for the 1996-2000 Honda Civic 4-cylinder 1.6L and other vehicles reads the oxygen left in the exhaust and sends that signal back to the ECU. It gives closed-loop feedback that helps control the air-fuel ratio and alerts the OBDII system to possible fuel delivery or catalytic converter efficiency problems.
A check engine light or poor fuel economy can mean the sensor is worn, though a damaged wiring connector or a worn catalytic converter can also be behind them, so find the cause before you replace it.
It is a downstream oxygen sensor for many vehicles, including the 1996-2000 Honda Civic 4-cylinder 1.6L, the 1997-2001 Honda CR-V 4-cylinder 2.0L and the 1996-2001 Acura Integra 4-cylinder 1.8L. If your car is not named here, look up its year, model and engine in the "Vehicles it fits" section.
Fit and size
Build and materials
One oxygen sensor. This listing is a single sensor, and the car takes one in this downstream position.
Is this the right oxygen sensor for the 1996-2000 Honda Civic 4-cylinder 1.6L?
Yes. NGK O2 SENSORS 24546 fits the 1996-2000 Honda Civic 4-cylinder 1.6L as a downstream sensor, and the car takes one.
Is this the right oxygen sensor for a 1999 Honda CR-V 4-cylinder 2.0L?
Yes. It fits the 1997-2001 Honda CR-V 4-cylinder 2.0L, which includes 1999, and the engine takes one downstream sensor.
What wrench size and thread does this downstream sensor have?
This downstream sensor has a 7/8" (22mm) hex and an M18 - 1.5 thread.
Is the NGK O2 SENSORS 24546 a heated oxygen sensor?
Yes. NGK O2 SENSORS 24546 is a heated, switching zirconia type sensor with a dual-coated platinum interface and a thinner ceramic element.
What does this oxygen sensor report to the ECU?
It sends constant closed-loop feedback to the ECU, which helps control the air-fuel ratio and lets the OBDII system flag possible fuel delivery or catalytic converter efficiency problems.
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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.