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The NGK OE-style 4-wire air/fuel sensor for Scion FR‑S (2013–2016) is a direct-fit replacement that restores accurate oxygen sensing to the engine control unit, helping maintain proper air–fuel ratio. As an OE-type four-wire unit it provides the OEM electrical interface for straightforward swapping and consistent, dependable sensor feedback.
NGK 2016-13 Scion FR-S OE Type 4-Wire A/F Sensor
