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2-Pc O2 Sensor Kit 15716 & 15717 for Select Ford, Mazda, Lincoln & Mercury Models
2-Pc O2 Sensor Kit 15716 & 15717 for Select Ford, Mazda, Lincoln & Mercury Models
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2-Piece Upstream & Downstream Oxygen Sensor Kit
Package includes one upstream oxygen sensor equivalent to 15716 and one downstream oxygen sensor equivalent to 15717. The numbers 15664 and ZZC318861 are cross-reference numbers and do not represent additional sensors in the package. Compatibility varies by vehicle year, engine, emissions specification, connector, engine bank, and sensor position.
Package includes one upstream oxygen sensor equivalent to 15716 and one downstream oxygen sensor equivalent to 15717. The numbers 15664 and ZZC318861 are cross-reference numbers and do not represent additional sensors in the package. Compatibility varies by vehicle year, engine, emissions specification, connector, engine bank, and sensor position.
Related Diagnostic Trouble Codes
A faulty oxygen sensor may contribute to the diagnostic trouble codes below. These codes can also be caused by wiring faults, exhaust leaks, fuel-system issues, or catalytic-converter problems. Proper diagnosis is recommended before replacing any sensor.
1. 15716 Equivalent — Upstream / Pre-Catalytic Converter
Because the upstream sensor regulates the fuel-to-air ratio, a failing 15716 sensor directly impacts engine performance.
- Common Symptoms: Poor fuel economy, engine hesitation, rough idling, or misfires.
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Primary OBD-II Fault Codes:
- P0131 / P0151: O2 Sensor Circuit Low Voltage (Bank 1 or Bank 2, Sensor 1) – Indicates a lean mixture or dead sensor.
- P0133 / P0153: O2 Sensor Circuit Slow Response (Bank 1 or Bank 2, Sensor 1) – Indicates an aged, sluggish sensor.
- P0135 / P0155: O2 Sensor Heater Circuit Malfunction (Bank 1 or Bank 2, Sensor 1) – The internal heater has failed.
- P1131 / P1151: Lack of Upstream Heated Oxygen Sensor Switches (Ford-specific codes indicating lean system limits).
2. 15717 Equivalent — Downstream / Post-Catalytic Converter
The downstream sensor monitors the efficiency of the catalytic converter. It rarely impacts how the engine runs, but it will cause emission test failures.
- Common Symptoms: Failed emissions inspection, no noticeable change in engine drivability.
-
Primary OBD-II Fault Codes:
- P0136 / P0156: O2 Sensor Circuit Malfunction (Bank 1 or Bank 2, Sensor 2).
- P0138 / P0160: O2 Sensor Circuit High Voltage / No Activity Detected (Bank 1 or Bank 2, Sensor 2).
- P0141 / P0161: O2 Sensor Heater Circuit Malfunction (Bank 1 or Bank 2, Sensor 2).
- P0420 / P0430: Catalyst System Efficiency Below Threshold (Bank 1 or Bank 2) – Note: A faulty 15717 sensor can falsely trigger this code, though it often indicates a failing catalytic converter.
Vehicle Application Reference by Brand
Important Fitment Information
The applications below are general references and require verification for both sensors. A vehicle matching one sensor does not confirm that the complete two-piece kit fits. Verify the OE numbers, connectors, engine bank, and sensor positions before ordering.
The applications below are general references and require verification for both sensors. A vehicle matching one sensor does not confirm that the complete two-piece kit fits. Verify the OE numbers, connectors, engine bank, and sensor positions before ordering.
Ford Fitment List
- Ford F-Series Trucks: F-150, F-250, F-350, F-450, F-550 Super Duty (1990–2016)
- Ford E-Series Vans: E-150, E-250, E-350, E-450 Econoline (1990–2016)
- Ford Ranger (1990–2011)
- Ford Explorer / Explorer Sport Trac (1995–2010)
- Ford Expedition (1997–2011)
- Ford Escape (2001–2010)
- Ford Bronco (1990–1996)
- Ford Mustang: Base, GT, Cobra, Mach 1 (1994–2010)
- Ford Crown Victoria (1992–2011)
- Ford Focus (2000–2004)
- Ford Taurus / Taurus X (1991–2009)
- Ford Fusion (2006–2010)
- Ford Windstar / Freestar (1995–2007)
- Ford Excursion (2000–2005)
- Ford Thunderbird (1990–1997, 2002–2005)
- Ford Five Hundred / Freestyle (2005–2007)
- Ford Contour / Probe / Escort (Select 1990s models)
Lincoln Fitment List
- Lincoln Navigator (1998–2011)
- Lincoln Town Car (1991–2011)
- Lincoln Aviator (2003–2005)
- Lincoln Continental (1991–2002)
- Lincoln LS (2000–2006)
- Lincoln Mark VIII / Mark LT (1993–1998, 2006–2008)
- Lincoln MKZ / Zephyr (2006–2010)
Mercury Fitment List
- Mercury Grand Marquis (1992–2011)
- Mercury Mountaineer (1997–2010)
- Mercury Mariner (2005–2010)
- Mercury Sable (1991–2005, 2008–2009)
- Mercury Milan (2006–2010)
- Mercury Cougar / Villager / Mystique / Marauder (Select model years)
Mazda (Ford Platform Sharing)
- Mazda Tribute (2001–2010)
- Mazda B-Series Pickups: B2300, B2500, B3000, B4000 (1995–2010)
- Mazda 6 (3.0L V6 engines only, 2003–2008)
- Mazda CX-9 (3.5L / 3.7L V6 engines, 2007–2009)
Other Import Brands (Specific Engine Variants)
- Jaguar S-Type & X-Type: Select V6/V8 models under Ford ownership (2000–2008)
- Aston Martin DB7 & V12 Vanquish: Select V12 configurations utilizing Ford management components (2000–2006)
- Nissan Frontier, Quest, Xterra: Select US-market engine variants (1998–2002)
OEM & Aftermarket Cross Reference Numbers
Bosch 15716 Interchange (Upstream Sensor)
- Ford / Motorcraft OEM: FO7Z-9F472-BA, FOUZ-9F472-C, FOUZ-9F472-D, GU2Z-9G444-A
- Mazda OEM: 1F20-18-860A, 1F80-18-860, AJ04-18-861B, ZZM3-18-861, ZZP0-18-861
- Jaguar OEM: XR86938, XR81557
- Denso: 234-4071, 234-4001, 234-4046, 234-4070
- NTK / NGK: 22016, 22060, 22500
- Delphi: ES20316, ES20014, ES20064
- Standard Motor Products (SMP): SG1807
Bosch 15717 Interchange (Downstream Sensor)
- Ford / Motorcraft OEM: FOTZ-9F472-E, GU2Z-9G444-A, XR3F-9G444-BA
- Mazda OEM: 1F81-18-860, AJTT-18-861, CA09-18-861, CY03-18-861B9U
- Jaguar OEM: XR82007
- Denso: 234-4609, 234-4127, 234-4045, 234-4610
- NTK / NGK: 22045, 22071, 22130, 22012
- Delphi: ES20039, ES20318, ES10841
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