How to service the Knock Sensor (KS) for the 6.8L engine on 2009 Ford F-350 Super Duty?

The first step for servicing the 6.8L Knock Sensor requires removing the intake manifold. The first step should involve unplugging the electrical connector from the Knock Sensor. Loosen the two bolts connecting both the left-hand and right-hand Knock Sensors before detachment. Complete installation of new sensors requires following the exact reverse of the removal steps while tightening bolts to 20 Nm (177 lb-in).

OEM 2009 Ford F-350 Super Duty Knock Sensor

Engine Knock Sensor

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2009 Ford F-350 Super Duty 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 F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL
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2009 Ford F-350 Super Duty Knock Sensor
Part Number: 4C3Z-12A699-AA
$67.97 MSRP: $107.93
You Save: $39.96 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Base No.: 12A699
- Item Weight: 0.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4C3Z-12A699-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS

2009 Ford F-350 Super Duty Knock Sensor

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2009 Ford F-350 Super Duty Knock Sensor Parts Questions & Experts Answers

Q: How to service the Knock Sensor (KS) for the 6.8L engine on 2009 Ford F-350 Super Duty?
A: The first step for servicing the 6.8L Knock Sensor requires removing the intake manifold. The first step should involve unplugging the electrical connector from the Knock Sensor. Loosen the two bolts connecting both the left-hand and right-hand Knock Sensors before detachment. Complete installation of new sensors requires following the exact reverse of the removal steps while tightening bolts to 20 Nm (177 lb-in).