O2 Oxygen Sensor Upstream Downstream for Ford F-150 (2015-2017) 5.0L

Direct-Fit Upstream & Downstream O2 Sensor Kit for 2015-2017 Ford F-150 (P552)

What it Does: This 4-piece oxygen sensor kit monitors pre- and post-catalyst exhaust oxygen on the P552 2015-2017 Ford F-150 5.0L Coyote V8 for accurate closed-loop fueling and emissions control.

The Stock Ford F-150 Oxygen Sensor Failure

Factory oxygen sensors on the P552 equipped with the 5.0L Coyote V8 endure severe thermal cycling and exhaust soot buildup. Carbon and moisture contamination degrade the internal zirconia ceramic sensing element, slowing air-fuel voltage transitions. Internal heater circuits also suffer resistance drift and element burnout, triggering OBD-II faults like P0135 and P0155. Sluggish signal switching then causes slow-response P0133, skewed lean fuel trims P0171/P0174, and P0420/P0430.

Common Symptoms of a Failing OEM Oxygen Sensor

• Check Engine Light / DTCs: Triggers P0135, P0155, P0133, or P0420/P0430 from heater burnout or slow switching.
• Fuel Trim Drift: Erratic feedback causes P0171/P0174 lean conditions, rough idle, and hesitation.
• Poor Economy & Emissions: Open-loop defaulting increases fuel consumption and fails emissions testing.

The Direct-Fit Matched Oxygen Sensor Solution

Replacing all four sensors as a matched upstream and downstream set restores balanced closed-loop fueling across both banks of the 5.0L Coyote V8. Each direct-fit sensor uses a stainless steel body, protective heat sleeve, and factory-keyed weatherproof harness connectors. Fast-acting ceramic heaters reach light-off temperature quickly to stabilize cold-start mixtures and prevent heater dropouts. Exact OE threads and pigtail lengths ensure plug-and-play fitment into P552 bungs.

What's Included

• 2x Upstream Oxygen Sensors
• 2x Downstream Oxygen Sensors

Technical Specifications

Compatibility

• 2015-2017 Ford F-150 5.0L V8 (Upstream & Downstream Positions, 4-Piece Set)

Frequently Asked Questions & Fitment Warnings

Does this fit the P552 F-150?

Yes. This is a direct fit for the 2015-2017 Ford F-150 equipped with the 5.0L Coyote V8 engine. Excludes 3.5L models, Mustang 5.0L, and 2011-2014 F-150 5.0L trucks.

Will this clear P0135, P0155, or P0420/P0430 codes?

Yes, if sensors are faulty. Installing this set resolves P0135/P0155 heater faults and sensor-induced P0420/P0430 codes when catalytic converters are intact.

Are upstream and downstream sensors with connectors included?

Yes. Includes 2 upstream and 2 downstream direct-fit sensors with factory plugs; torque to spec and reset OBD-II codes.

The Ford Heavy-Duty Standard

Built for towing heat on the P552 5.0L Coyote V8, this matched 4-sensor kit restores accurate closed-loop fueling and emissions compliance. Replace aging sensors together for lasting thermal durability.