How to service the Knock Sensor (KS) on the 4.0L SOHC engine on 2009 Ford Mustang?

Service Knock Sensor: 4.0L SOHC engine Knock Sensor: To service the Knock Sensor, take off the intake manifold and strip off the electrical connector, as well as, strip off the securing bolt. Install the new sensor and ensure it is tightened to 20 Nm (177 lb-in) and revert the procedures to unscrew it to finish the installation.

OEM 2009 Ford Mustang Knock Sensor

Engine Knock Sensor

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2009 Ford Mustang Knock Sensor Part Number: 1L2Z-12A699-AA
$96.98 MSRP: $154.00
You Save: $57.02 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Manufacturer Note: Dual headed Bolt on type sensor
- Base No.: 12A699
- Item Weight: 0.70 Pounds
- Item Dimensions: 2.9 x 1.8 x 4.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1L2Z-12A699-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2009 Ford Mustang Submodels:
- Bullitt, GT, Shelby GT | 8 Cyl 4.6 L GAS
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2009 Ford Mustang 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
- Base No.: 12A699
- Item Weight: 0.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4L3Z-12A699-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Ford Mustang Submodels:
- Bullitt, GT, Shelby GT, Shelby GT500, Shelby GT500KR | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
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2009 Ford Mustang Knock Sensor Part Number: XL3Z-12A699-BA
$45.32 MSRP: $70.73
You Save: $25.41 (36%)
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Base No.: 12A699
- Item Weight: 0.40 Pounds
- Item Dimensions: 6.2 x 2.4 x 2.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: XL3Z-12A699-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Ford Mustang Submodels:
- Base | 6 Cyl 4.0 L GAS

2009 Ford Mustang Knock Sensor

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2009 Ford Mustang Knock Sensor available at FordPartsDeal.com. You can confidently purchase our OEM 2009 Ford Mustang Knock Sensor as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2009 Ford Mustang Knock Sensor Parts Q&A

Q: How to service the Knock Sensor (KS) on the 4.0L SOHC engine on 2009 Ford Mustang?
A: Service Knock Sensor: 4.0L SOHC engine Knock Sensor: To service the Knock Sensor, take off the intake manifold and strip off the electrical connector, as well as, strip off the securing bolt. Install the new sensor and ensure it is tightened to 20 Nm (177 lb-in) and revert the procedures to unscrew it to finish the installation.