How to service the knock sensor (KS) on Ford F-150 Heritage?

In order to service the knock sensor first, loosen the intake manifold. Next, unscrew the electrical connector and unscrew the nut holding the sensor. The reverse of these steps will only take a few minutes to install a new knock sensor.

OEM Ford F-150 Heritage Knock Sensor

Engine Knock Sensor

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4 Knock Sensors found

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Ford F-150 Heritage Knock Sensor Part Number: XL3Z-12A699-AA
$36.36 MSRP: $56.75
You Save: $20.39 (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:
- 2004 Ford F-150 Heritage | XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 Heritage Knock Sensor Part Number: 2R3Z-12A699-AA
$28.65 MSRP: $44.33
You Save: $15.68 (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:
- 2004 Ford F-150 Heritage | XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 Heritage 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:
- 2004 Ford F-150 Heritage | SVT Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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Ford F-150 Heritage Knock Sensor Part Number: XL3Z-12A699-CA
Product Specifications
- Other Name: Sensor - Engine Knock
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford F-150 Heritage | SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS

Ford F-150 Heritage Knock Sensor

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Ford F-150 Heritage Knock Sensor Parts and Q&A

Knock Sensor
2R3Z-12A699-AA
Q: How to service the knock sensor (KS) on Ford F-150 Heritage?
A: In order to service the knock sensor first, loosen the Intake Manifold. Next, unscrew the electrical connector and unscrew the nut holding the sensor. The reverse of these steps will only take a few minutes to install a new knock sensor.