Description

Motorcraft DY1184 Upstream Oxygen Sensor – OEM Performance The Motorcraft DY1184 Oxygen O₂ Sensor is an OEM-quality replacement engineered specifically for Ford and Lincoln vehicles from 2011 to 2017 . As an upstream oxygen sensor , it plays a critical role in monitoring exhaust oxygen levels before the catalytic converter, allowing the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. Manufactured to Motorcraft OEM specifications , this sensor delivers fast response times, accurate readings, and long-lasting durability even under extreme exhaust temperatures. Replacing a worn or failing oxygen sensor helps restore engine performance, fuel economy, and emissions compliance , while preventing check engine lights and drivability issues. Key Features & Benefits Genuine Motorcraft OEM-quality oxygen sensor Direct-fit replacement for DY1184 Precise air-fuel ratio monitoring Improves fuel efficiency and engine performance Helps reduce exhaust emissions Fast sensor response for accurate data Heat-resistant construction for long service life No modifications required for installation OEM Part Number Motorcraft DY1184 Engine Compatibility Ford & Lincoln Gasoline Engines Designed for multiple V6 and V8 applications (Verify exact engine fitment before purchase) Vehicle Applications Ford F-150 Pickup: 2011–2017 Ford Expedition: 2011–2017 Lincoln Navigator: 2011–2017 Frequently Asked Questions – Motorcraft DY1184 Oxygen Sensor What does the Motorcraft DY1184 oxygen sensor do? It measures oxygen levels in the exhaust to help the engine computer adjust the air-fuel mixture for optimal performance and fuel efficiency. Is this an upstream or downstream oxygen sensor? The Motorcraft DY1184 is an upstream oxygen sensor located before the catalytic converter. What are signs of a failing oxygen sensor? Common symptoms include poor fuel economy, check engine light, rough idle, hesitation, and increased emissions. Is this a direct OEM replacement? Yes, this sensor is designed to directly replace the original Motorcraft DY1184 with no modifications required. Does replacing the oxygen sensor improve fuel economy? Yes, a properly functioning oxygen sensor helps maintain the correct air-fuel ratio, improving fuel efficiency. Is professional installation recommended? Professional installation is recommended to ensure proper sensor placement and avoid damage to the exhaust system.