How to remove the knock sensors on Ford Fusion?

To remove, disconnect the battery, remove the intake manifold, disconnect the sensor connector, remove the bolt, and remove the sensor. For 2.7L V6 models, two sensors are located between the cylinder banks and must be replaced together. Next, relieve fuel pressure, disconnect the battery, drain the cooling system, remove the water pump and coolant outlet, remove the fuel rails, disconnect the sensor connector, remove the bolts, and remove the sensors.

Genuine Ford Fusion Knock Sensor

Engine Knock Sensor

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7 Knock Sensors found

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Ford Fusion Sensor - Engine Knock
Part Number: FT4Z-12A699-B
- Replaced by: FT4Z-12A699-D
$56.27 MSRP: $111.82
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Fits the following Vehicles:
2017-2019 Ford Fusion | 6 Cyl 2.7L | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transmission - B6, ECVT Auto Trans Power Split, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Fusion Sensor - Engine Knock
Part Number: BE8Z-12A699-B
- Other Name: Knock Sensor
$37.62 MSRP: $60.00
You Save: $22.38 (38%)

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Fits the following Vehicles:
2013-2019 Ford Fusion | 4 Cyl 1.5L GTDI, 4 Cyl 1.6L PI TC ETHNL | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transmission - B6, ECVT Auto Trans Power Split, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Fusion Sensor - Engine Knock
Part Number: 4L3Z-12A699-AA
- Other Name: Knock Sensor
$52.44 MSRP: $83.64
You Save: $31.20 (38%)

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Fits the following Vehicles:
2010 Ford Fusion | 6 Cyl 3.0L OHC Duratec | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Fusion Sensor - Engine Knock
Part Number: 1S7Z-12A699-BB
- Other Name: Knock Sensor, Sensor
- Replaces: 1S7Z-12A699-BA
$44.78 MSRP: $70.18
You Save: $25.40 (37%)

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Fits the following Vehicles:
2006-2019 Ford Fusion | 4 Cyl 2.0L Duratec Hybrid (130kW) , 4 Cyl 2.0L EcoBoost (200PS), 4 Cyl 2.0L EcoBoost (240PS) , 4 Cyl 2.3L, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L Duratec FFV (125kW/170PS) , 4 Cyl 2.5L Duratec HE PFI, 4 Cyl 2.5L PFI Gas/Electric | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transmission - B6, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, ECVT Auto Trans Power Split, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Fusion Sensor - Engine Knock
Part Number: 7T4Z-12A699-AB
- Replaced by: 7T4Z-12A699-A
$55.06 MSRP: $87.82
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Fits the following Vehicles:
2007-2012 Ford Fusion | 6 Cyl 3.5L DOHC VCT SMPI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Fusion Sensor - Engine Knock
Part Number: AU5Z-12A699-A
- Other Name: Knock Sensor
$6.83 MSRP: $10.80
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Fits the following Vehicles:
2011-2012 Ford Fusion | 6 Cyl 3.0L OHC Duratec | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Fusion Sensor - Engine Knock
Part Number: 3M8Z-12A699-AA
- Other Name: Knock Sensor
$48.86 MSRP: $63.82
You Save: $14.96 (24%)

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Fits the following Vehicles:
2006-2009 Ford Fusion | 6 Cyl 3.0L DOHC EFI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Fusion Knock Sensor Parts Questions & Answers

Sensor - Engine Knock
4L3Z-12A699-AA
Q: How to remove the knock sensors on Ford Fusion?
A: To remove, disconnect the battery, remove the intake manifold, disconnect the sensor connector, remove the bolt, and remove the sensor. For 2.7L V6 models, two sensors are located between the cylinder banks and must be replaced together. Next, relieve fuel pressure, disconnect the battery, drain the cooling system, remove the water pump and coolant outlet, remove the fuel rails, disconnect the sensor connector, remove the bolts, and remove the sensors.