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.

2018 Ford Fusion Energi TitaniumFACTORY OEM SERVICE PROCEDURE

Symptom Chart

Symptom occurs during	Symptom	Category Number
STARTUP:	No Start/Vehicle Disabled	0
	No Start/Normal Crank	1
IDLE:	MIL	5
	Stalls/Quits	6
	Rolling	9
	Rough	11
	Misses	12
	Backfires	13
ACCELERATION:	Stalls/Quits	6
	Misses	12
	Bucks/Jerks	14
	Backfires	13
	Hesitation/Stumble	15
	Lack/Loss Of Power	16
	Surge	17
	Spark Knock	18
	Cooling System Temperature	19
	Poor Fuel Economy	20
	Emissions Compliance	21
CRUISE:	Stalls/Quits	6
	Misses	12
	Bucks/Jerks	14
	Backfires	13
	Lack/Loss Of Power	16
	Surge	17
	Spark Knock	18
	Cooling System Temperature	19
	Poor Fuel Economy	20
	Emissions Compliance	21
TRANSMISSION OPERATION: (AUTOMATIC)	Engagement Concerns	22

Factory Service Tools

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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.

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