Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2007FUSION SEL, 2.3 Z, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 976 (ENGINE IGNITION)REMOVAL AND INSTALLATIONSPARK PLUGSINSTALLATION

2007 Ford Fusion SEL, 2.3 Z, Standard

Spark Plugs: Installation

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Installation

WARNING: This page is about a different car, the 2007 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.

Both sides

Inspect the 6 spark plugs.

Item	Part Number	Description
1	-	Deposits bridging spark plug gap
2	-	Wet black deposits (oil fouling)
3	-	Dry black deposits (carbon fouling)
4	-	Normal spark plug
5	-	Pre-ignition
6	-	Overheating
7	-	Fused spot deposits

Fig 1: Identifying Spark Plugs Condition

Courtesy of FORD MOTOR CO.

Adjust the spark plug gap as necessary.

Fig 2: Adjusting Spark Plug Gap

Courtesy of FORD MOTOR CO.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.