Details

• Brand:

  

  

• SKU:

  DY-1185

• Positions: Front, Front Right, Front Upper, Left, Front Right Front, Front Right Right, Front Right Upper, Left Front, Right, Left Upper, Right Front, Right Upper, Front Left Front, Front Left Right, Front Left Upper
• Other Names:

  Motorcraft™ Ft Oxygen Sensor, Motorcraft™ Upper Oxygen Sensor, Sensor Hego

• Description:

  This is a genuine Motorcraft upstream heated exhaust gas oxygen (HEGO) air-fuel-ratio sensor that threads into the exhaust ahead of the catalytic converter and reports the oxygen content of the exhaust stream so the powertrain control module can trim injector pulse width and hold the mixture near the ideal ratio for clean combustion and efficient fuel delivery. As a front, pre-catalyst sensor it does the primary closed-loop fueling correction rather than monitoring catalyst efficiency. It is a broad cross-platform application covering the 2011-2019 window on multiple lines, including F-150, Taurus, and Explorer with the 3.5L and 3.7L six-cylinder engines, and it carries the Ford service cross-reference 8F9Z-9F472-H. A failing upstream sensor typically triggers a check-engine light with P0130 through P0135 oxygen-sensor codes, a lit malfunction indicator, rough or surging idle, hesitation, poor fuel economy, and failed emissions testing as the module falls back to open-loop fueling. The Motorcraft catalog name is Oxygen Sensor, and the unit ships with the correct sealed connector and heater circuit matched to the harness. Use anti-seize sparingly on the threads only, keep silicone and cleaners away from the sensing element, and torque to the exhaust-bung specification to avoid cracking the ceramic. Replacing the sensor as a genuine Motorcraft part restores accurate feedback, steady closed-loop operation, and proper catalyst protection. It is engineered to the original heater resistance and switching characteristics so the module reads it without adaptation, making it a direct-fit restoration of factory air-fuel control on the applicable trucks, sedans, and utility vehicles it was cataloged to serve.

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