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

Service of the knock sensor (KS) begins by removing the intake manifold. The knock sensor service begins with uninstalling its electrical connector followed by bolt removal before sensor extraction. The installation process requires following the opposite steps of removal to attach the new knock sensor correctly.

OEM Ford Expedition Knock Sensor

Engine Knock Sensor

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6 Knock Sensors found

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Ford Expedition Knock Sensor Part Number: XL3Z-12A699-AA
$36.93 MSRP: $57.64
You Save: $20.71 (36%)
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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:
- 2000-2004 Ford Expedition | Eddie Bauer, NBX, XLS, XLT, XLT Sport | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
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Ford Expedition Knock Sensor Part Number: 4L3Z-12A699-AA
$55.59 MSRP: $88.27
You Save: $32.68 (38%)
Ships in 1 Business Day
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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:
- 2005-2014 Ford Expedition | Eddie Bauer, EL Eddie Bauer, EL King Ranch, EL Limited, EL XL, EL XLT, Funkmaster Flex Edition, King Ranch, Limited, XL, XLS, XLT, XLT Sport | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Ford Expedition Knock Sensor Part Number: ML3Z-12A699-B
$164.88 MSRP: $261.82
You Save: $96.94 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: ML3Z-12A699-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Ford Expedition | King Ranch, Limited, Max King Ranch, Max Limited, Max Platinum, Max SSV, Max XL, Max XLT, Platinum, SSV, Timberline, XL, XL STX, XLT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
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Ford Expedition Knock Sensor Part Number: 7T4Z-12A699-A
$55.53 MSRP: $88.18
You Save: $32.65 (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:
- 2015-2021 Ford Expedition | EL King Ranch, EL Limited, EL Platinum, EL SSV, EL XL, EL XLT, King Ranch, Limited, Max King Ranch, Max Limited, Max Platinum, Max SSV, Max XL, Max XLT, Platinum, SSV, XL, XLT | 6 Cyl 3.5 L GAS
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Ford Expedition Knock Sensor Part Number: F77Z-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:
- 1997-1999 Ford Expedition | Eddie Bauer, XLT | 8 Cyl 5.4 L GAS
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Ford Expedition Knock Sensor Part Number: F6ZZ-12A699-AA
Product Specifications
- Other Name: Sensor - Engine Knock
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1999 Ford Expedition | Eddie Bauer, XLT | 8 Cyl 4.6 L GAS

Ford Expedition Knock Sensor

OEM Knock Sensor boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Knock Sensor with long life and a perfect fit. Come to our website and find genuine Ford Expedition parts. We keep a wide inventory of OEM Expedition parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

The Ford Expedition Knock Sensor remains one of the most important car parts packed with reliability and performance, which are instrumental in the efficient and safe running of the Ford Expedition cars. This is an ultramodern sensor that is capable of feeling engine knock, a condition that may be caused by wrong ignition timing, and passes information to the PCM to make the right changes. The Ford Expedition Knock Sensor which is designed to constantly check the vibrations and pressure peaks prevents the damage of the engine, and allows its proper functioning even when operating on low octane fuels. Piezoelectric design is used to help it detect and respond to the level of performance, aiding in the extension of the lifetime of the engine. Depending on the model of your Ford Expedition you have, the Knock Sensor syncs well and works uniformly across the range, and this goes a long in supporting the brand's reputation of reliability. The fact that one can reduce further detonation also benefits the engine as well as the fuel efficiency makes the Ford Expedition a perfect companion to drivers who seek power with efficiency. Some of the features of the Ford Expedition Knock Sensor include; adaptability: it enables the car to adjust to the various terrains of the world, so it can perform at its optimum optimal wherever it is. When added to the Flexibility of this device matched perfectly with the ford expedition's strong engineering. It, therefore, puts the Knock Sensor in a class of its own in the automotive market, adding power and protection to all Expeditions.

Ford Expedition Knock Sensor Parts and Q&A

Knock Sensor
XL3Z-12A699-AA
Q: How to service the knock sensor (KS) on Ford Expedition?
A:
Service of the knock sensor (KS) begins by removing the Intake Manifold. The knock sensor service begins with uninstalling its electrical connector followed by bolt removal before sensor extraction. The installation process requires following the opposite steps of removal to attach the new knock sensor correctly.