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 292 (FIRE SUPPRESSION SYSTEM)DIAGNOSIS AND TESTINGFIRE SUPPRESSION SYSTEMSYMPTOM CHART

2007 Ford Fusion SEL, 2.3 Z, Standard

Symptom Chart

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Symptom Chart

WARNING: This page is about a different car, the 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the fire suppression module (FSM)	Fuse Circuitry FSM	GO to PINPOINT TEST A .
The fire suppression system indicator is inoperative (no DTCs)	Fuse Circuitry Fire suppression module (FSM) Instrument cluster	REFER to INSTRUMENT CLUSTER .

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.