NGK O2 SENSORS 27071 air / fuel ratio sensor for the 2018-2022 Honda Accord 4-cylinder 2.0L and other vehicles measures how rich or lean the engine is running so the ECU can adjust the air-fuel mixture. Unlike a conventional switching sensor, this wide-band unit gives a linear output signal.
A worn air / fuel ratio sensor can show up as a check engine light, poorer fuel economy or rough running. Before you replace the sensor, rule out damaged wiring, a loose connector and an exhaust leak, since those can set off similar symptoms. A shop can test the sensor circuit.
It fits the 2018-2022 Honda Accord 4-cylinder 2.0L, the 2019-2024 Acura RDX 4-cylinder 2.0L and the 2021-2024 Acura TLX 4-cylinder 2.0L, and each takes one upstream sensor. This listing is a single sensor.
Fit and size
Build and materials
Interchange: 365316B2A01
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Is this the air fuel sensor for the 2018-2022 Honda Accord 4-cylinder 2.0L?
Yes. NGK O2 SENSORS 27071 fits the 2018-2022 Honda Accord 4-cylinder 2.0L as an upstream sensor, and the car takes one.
Does the NGK 27071 sensor fit the 2019-2024 Acura RDX 4-cylinder 2.0L?
Yes. NGK O2 SENSORS 27071 is listed for the 2019-2024 Acura RDX 4-cylinder 2.0L, with one upstream sensor per vehicle.
Is the 27071 sensor heated, and how many wires does it have?
Yes. This sensor is heated, uses a 5-wire A/F design and has a 7/8-inch (22 mm) hex size.
What can a failing upstream air / fuel ratio sensor look like?
Signs can include a check engine light, poorer fuel economy or rough running, though other faults can produce them too. A shop can test the sensor and its wiring.
What connector does the NGK 27071 come with?
NGK O2 SENSORS 27071 has water-resistant connectors with harness accessory hardware, which simplifies installation.
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