How to service the knock sensor on Ford Fusion?

In order to service the knock sensor, put the vehicle in neutral position on the hoist and remove the battery ground cable. Disassemble the intake manifold, and then remove the bolt and knock sensor. To install, screw the new sensor to 20 Nm (15 lb-ft) and undo the steps of removal to complete.

How to service the knock sensor (KS) on Ford Fusion?

In Neutral, place the vehicle on a hoist in order to service the knock sensor (KS). Unscrew the KS electrical connector and unscrew the securing bolt, and pull out the sensor. To install, invert these directions and screw on the bolt 20 Nm (15 lb-ft).

OEM Ford Fusion Knock Sensor

Engine Knock Sensor

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8 Knock Sensors found

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Ford Fusion Knock Sensor Part Number: 1S7Z-12A699-BB
$44.85 MSRP: $70.00
You Save: $25.15 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor; Sensor
- Replaces: 1S7Z-12A699-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2020 Ford Fusion | Energi Platinum, Energi SE, Energi Titanium, Hybrid, Platinum, Platinum Hybrid, S, S Hybrid, SE, SE Hybrid, SEL, SEL Hybrid, Sport, Titanium, Titanium Hybrid | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS, 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 2.7 L GAS
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Ford Fusion Knock Sensor Part Number: BE8Z-12A699-B
$44.85 MSRP: $71.22
You Save: $26.37 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2020 Ford Fusion | Platinum, S, SE, SEL, Sport, Titanium | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.7 L GAS
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Ford Fusion Knock Sensor Part Number: 4L3Z-12A699-AA
$55.59 MSRP: $88.27
You Save: $32.68 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010 Ford Fusion | SE, SEL | 6 Cyl 3.0 L FLEX
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Ford Fusion Knock Sensor Part Number: FT4Z-12A699-C
$51.50 MSRP: $81.78
You Save: $30.28 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaced by: FT4Z-12A699-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2020 Ford Fusion | Platinum, S, SE, SEL, Sport, Titanium | 4 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.7 L GAS
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Ford Fusion Knock Sensor Part Number: 7T4Z-12A699-A
$68.21 MSRP: $108.31
You Save: $40.10 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: 7T4Z-12A699-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2016 Ford Fusion | S, SE, Sport, Titanium | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
View related parts
Ford Fusion Knock Sensor Part Number: FT4Z-12A699-D
$51.50 MSRP: $81.78
You Save: $30.28 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: FT4Z-12A699-C, FT4Z-12A699-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2019 Ford Fusion | Sport | 6 Cyl 2.7 L GAS
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Ford Fusion Knock Sensor Part Number: AU5Z-12A699-A
$9.14 MSRP: $14.14
You Save: $5.00 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2012 Ford Fusion | SE, SEL | 6 Cyl 3.0 L FLEX
View related parts
Ford Fusion Knock Sensor Part Number: 3M8Z-12A699-AA
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2009 Ford Fusion | SE, SEL | 6 Cyl 3.0 L GAS

Ford Fusion Knock Sensor

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Ford Fusion Knock Sensor Parts and Q&A

Knock Sensor
1S7Z-12A699-BB
Q: How to service the knock sensor on Ford Fusion?
A: In order to service the knock sensor, put the vehicle in neutral position on the hoist and remove the battery ground cable. Disassemble the Intake Manifold, and then remove the bolt and knock sensor. To install, screw the new sensor to 20 Nm (15 lb-ft) and undo the steps of removal to complete.
Knock Sensor
3M8Z-12A699-AA
Q: How to service the knock sensor (KS) on Ford Fusion?
A: In Neutral, place the vehicle on a hoist in order to service the knock sensor (KS). Unscrew the KS electrical connector and unscrew the securing bolt, and pull out the sensor. To install, invert these directions and screw on the bolt 20 Nm (15 lb-ft).