2015 Ford Fusion Engine Problems

Source: NHTSA · Updated Oct 1, 2026 · 271 complaints analyzed

Owners have filed 271 complaints with NHTSA about engine problems on the 2015 Ford Fusion, 27% of all complaints for this model year. Half of the reports with a mileage happened before 79,000 miles. The words owners use most often: “coolant intrusion” (11% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Coolant intrusion: mentioned in 31 of 271 complaints (11%)
  • Spark plugs: mentioned in 25 of 271 complaints (9%)
  • Misfire cylinder: mentioned in 18 of 271 complaints (7%)
  • White smoke: mentioned in 18 of 271 complaints (7%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical engine repair on the 2015 Ford Fusion at $9,300, and half of them between $8,150 and $10,300.

Based on 24 NHTSA complaints about this problem alone that state a repair bill or quote (2019–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do engine problems happen?

Based on 175 complaints that reported the odometer reading.

Under 10k miles6 · 3%
10k–25k miles5 · 3%
25k–50k miles24 · 14%
50k–75k miles41 · 23%
75k–100k miles45 · 26%
100k–150k miles47 · 27%
150k+ miles7 · 4%

How serious are the reports?

Of 271 complaints, 1 mention a crash, 1 a fire.

Ford Fusion engine complaints by model year

Peak: 2010, with 700 complaints
2006: 472006472007: 56562008: 392008392009: 30302010: 70020107002011: 2762762012: 11120121112013: 3863862014: 20420142042015: 2712712016: 44320164432017: 3953952018: 20520182052019: 1531532020: 52202052

n = 3,368 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2020 Fusion5228%79,000
2019 Fusion15348%78,000
2018 Fusion20546%90,000
2017 Fusion39536%76,000
2016 Fusion44327%78,000
2015 Fusion27127%79,000
2014 Fusion20415%76,000
2013 Fusion38622%83,005
2012 Fusion1114%52,389
2011 Fusion27610%45,000
2010 Fusion70014%56,000
2009 Fusion303%98,000
2008 Fusion393%89,500
2007 Fusion565%100,000
2006 Fusion476%98,375

When owners reported it

Peak: 2020, with 58 complaints
2015: 7201572016: 5201652017: 102017102018: 262018262019: 292019292020: 582020582021: 252021252022: 262022262023: 272023272024: 272024272025: 202025202026: 11202611

n = 271 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine for the 2015 Ford Fusion. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Year/Make/Model: 2015 Ford Fusion Engine Type: 1.5L EcoBoost 4-Cylinder Description of Safety Flaw and Incident: My vehicle is experiencing severe overheating and internal engine fluid loss due to the widely documented Ford EcoBoost coolant intrusion defect. The vehicle routinely runs hot, losing…

Received Sep 8, 2026 · NHTSA complaint 11762932

The 2015 ford fusion are very known for this issue with coolant lost and more recently I was driving and a warning popped up saying my coolant was over temps so I pulled over and turned the car off next thing you know my coolant was gone and I just filled it up. To make it even worse my mechanic…

Received Aug 26, 2026 · NHTSA complaint 11759737

I have a coolant intrusion into the engine and blew my engine in the middle of driving down the highway. No signs, no warning. Lost control, ended up on side of road. Had husband pull it the rest of the way home.

Received Aug 3, 2026 · NHTSA complaint 11754348

Frequently asked questions

Do all 2015 Ford Fusions have engine problems?

No. NHTSA has 271 owner complaints about engine for the 2015 Ford Fusion (27% of the 994 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2015 Ford Fusion engine?

No recall currently lists engine for this vehicle.

At what mileage do engine problems start?

The median reported mileage is 79,000 miles: half of the reports with a mileage came before that.

How much does it cost to fix engine problems on the 2015 Ford Fusion?

Owners report a typical cost of $9,300 (half paid between $8,150 and $10,300), from 24 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about engine problems on the 2015 Ford Fusion?

The most frequent phrase is “coolant intrusion”, in 31 of 271 complaints, followed by “spark plugs” (25).

Other 2015 Ford Fusion problems

See all 2015 Ford Fusion problems or engine problems across all Fusion years.