Details

• Brand:

  

  

• SKU:

  DY-1290

• Positions: Rear Lower, Rear, Left Lower, Left Rear, Right Lower, Right Rear
• Other Names:

  Motorcraft™ Oxygen Sensor, Motorcraft™ Lower Oxygen Sensor, Sensor Exhaust Gas Oxygen

• Description:

  This is the genuine Motorcraft heated exhaust gas oxygen sensor that mounts downstream of the catalytic converter to monitor catalyst efficiency and confirm the converter is cleaning the exhaust properly. Cataloged by Motorcraft as a rear/lower Oxygen Sensor, it threads into the exhaust after the catalyst and feeds the powertrain control module the readings it needs to verify emissions performance and complete its readiness monitors. It fits 2015-2020 Ford vehicles built on the 2.0L and 2.7L EcoBoost family, including Edge and Explorer applications in the downstream location. A failing downstream oxygen sensor typically triggers a check engine light with catalyst-efficiency or oxygen-sensor circuit codes, causes failed emissions or readiness testing, and can produce rough idle, reduced fuel economy, or hesitation as the module loses accurate feedback. Because heated sensors degrade with age, mileage, and contamination from oil or coolant, replacement with the correct Motorcraft unit restores proper closed-loop fuel trims. Apply anti-seize to the threads only, torque to specification, and route the harness clear of the exhaust to avoid heat damage. Installing the exact Motorcraft sensor ensures correct connector keying, wire count, and calibrated response for reliable long-term operation.

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