Oxygen Sensor Upstream Downstream O2 Sensor 2Pcs | Replacement for Ford F150 F250 Ranger Expedition Explorer Escape, Mazda Tribute, Lincoln & more | Replace# 15717, 15716, 15664, ZZC318861 4.4 out of 5 stars 326
This article applies to the Ford F-150 (2004-2014). Electrical sensors play a major part in how your truck runs. Newer vehicles are adding more and more sensors for multiple reasons including monitoring air flow, controlling fuel pressure, checking fluid level, etc.
Oxygen Sensor Upstream Downstream O2 Sensor 2Pcs | Replacement for Ford F150 F250 Ranger Expedition Explorer Escape, Mazda Tribute, Lincoln & more | Replace# 15717, 15716, 15664, ZZC318861 4.4 out of 5 stars 326
The ecu with a narrowband o2 sensor, when in closed loop mode, will then lean on the fuel map if it is receiving a rich signal from the o2 sensor till its stoic. The opposite would be true if the sensor was telling the ECU that it was currently running lean, it would richen the fuel map till the o2 sensor was reading stoic.