Ford Fusion 2013–2020Common problems, reliability & repair costs

Symptoms: Coolant level slowly drops with no visible leak under the car; rough running, misfires, or a check-engine light (codes like P0300/P0301-P0304, P1299); white exhaust smoke and overheating in later stages. Caused by the open-deck block design letting coolant seep into a cylinder.

Fix: Ford's fix is replacing the short block (1.5L) or long block (2.0L) plus gaskets. Ford issued TSBs and extended short-block coverage to 7 years / 84,000 miles for coolant-intrusion damage on affected cars. Verify the VIN before paying out of pocket. Out of coverage, this is a major engine job and can approach the car's value.

Sources: NHTSA TSB: 1.5L EcoBoost coolant intrusion (MC-10174400), NHTSA TSB: 2.0L EcoBoost coolant intrusion (MC-10169807), CarComplaints: Ford Fusion engine

Symptoms: Coolant loss leading to localized cylinder-head overheating; cracked head, overheating, and in some reported cases engine compartment fires. Often shows up first as disappearing coolant and a temperature warning.

Fix: Covered by NHTSA recall 14V438000 for 2013–2014 Fusion/Escape 1.6L. If completed, the recall remedy is free. Confirm it was done. If the engine was already damaged before the fix, repair cost can be substantial.

Sources: FordProblems: 2nd-gen Fusion engine issues, CarComplaints: Ford Fusion engine

Symptoms: Brake fluid warning light, a softer/longer brake pedal, and increased stopping distance as a front brake hose ruptures and leaks fluid.

Fix: Ford recalled over 1.2 million Fusion/MKZ sedans (recall 23S12) to replace front brake hoses free of charge. Verify the recall is closed; if you're paying privately, hose replacement is inexpensive but a leak is a safety issue. Don't drive it.

Sources: Ford: 23S12 Front Brake Hose Recall, Consumer Reports: Fusion/MKZ brake recall

Symptoms: The shifter shows Park but the transmission may not actually be in Park, with no warning, and the car can roll away. Caused by a shift-cable bushing that degrades and detaches.

Fix: Multiple recalls (2018/2019 and the broad 2022 22S43 campaign) cover replacing the under-hood shift bushing and adding a protective cap. Free under recall. Always set the parking brake on these cars and confirm the recall is done.

Sources: Ford Authority: 2013-2016 Fusion shift-cable bushing recall, Consumer Reports: Ford rollaway recall

Symptoms: Sudden heavy steering, especially at low speed, sometimes with a power-steering warning light. On salt-belt cars, attachment bolts on the steering gear motor can corrode and let the motor detach.

Fix: Ford's recall (19S26) for 2013–2016 Fusion/MKZ in salt states replaces the steering-gear motor bolts and adds a wax sealer; if bolts are broken, the gear is replaced, free under recall. A non-recall EPAS failure can run into four figures, so confirm the recall status.

Sources: Consumer Reports: Ford steering recall, FordProblems: 2nd-gen Fusion steering

Symptoms: Hard, clunky, or delayed shifts; a brief flare of RPM before the gear engages; occasional shudder. Most concentrated on the 2.5L cars.

Fix: Start with a proper transmission fluid service and a software/TCM update. That resolves many cases. Persistent hard shifting can mean valve-body or internal repair, which is far more expensive. Confirm fluid history before buying.

Sources: FordProblems: 2nd-gen Fusion transmission, RepairPal: Ford Fusion problems

Symptoms: Dead 12V battery, no-start, or repeated battery replacements; on hybrids, high-voltage battery warnings and reduced economy. The 2017 model year drew a cluster of dead-battery complaints.

Fix: A bad 12V battery or parasitic drain is cheap to chase down. A failing high-voltage hybrid pack is the expensive case and can run into the thousands. Factor it into any Hybrid/Energi purchase and ask for battery health/history.

Sources: FordProblems: 2nd-gen Fusion Hybrid, RepairPal: Ford Fusion problems

Tools: Flat screwdriver (clips), Shop towel

1. Pop the airbox clips on top of the engine, lift the lid, and lift out the old panel air filter.
2. Wipe out the airbox, drop in the new filter the same orientation, and re-clip the lid.
3. For the cabin filter, open the glovebox and release the side stops or damper so it drops fully down.
4. Slide out the cabin filter housing cover, remove the old filter, and insert the new one with the airflow arrow pointing down.
5. Snap everything back and confirm the glovebox closes squarely.

Tools: Floor jack + jack stands, Lug wrench / breaker bar, Socket set + caliper bolt sockets, C-clamp or caliper piston tool, Brake cleaner

1. Loosen the lug nuts, lift the front, set jack stands, and remove the wheels.
2. Unbolt the caliper, lift it off, and hang it from the spring so the brake hose isn't stressed (note the recall: inspect the hose while you're in there).
3. Slide out the old pads and compress the caliper piston with a C-clamp or piston tool.
4. Fit the new pads with any included hardware/shims, reinstall the caliper, and torque the bolts to spec.
5. Remount the wheels, torque the lugs, then pump the brake pedal until firm before driving.

Tools: OBD-II code reader, Flashlight

1. With the engine cold, check the coolant level against the min/max marks and note it.
2. Plug in an OBD-II reader and scan for stored/pending codes. Flag P0300/P0301-P0304, P1285, or P1299.
3. Start the car and watch the tailpipe for white smoke that doesn't clear, and listen/feel for a rough misfiring idle.
4. Re-check coolant after a few drive cycles; a level that keeps dropping with no external leak is the coolant-intrusion warning sign.