2015 Ford Expedition: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 32 owner complaints for the 2015 Ford Expedition that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11714685 (filed 01/31/2026): “Driving at 58 mph with cruise on, using the cruise - button to reduce speed to 50 the vehicle drastically downshifted causing the engine to over-rev and ultimately caused catastrophic engine failure, a blown engine.…”
- NHTSA complaint ODI #11688842 (filed 09/22/2025): “My 2015 ford expedition needs to added to the recall 22s56. i just paid $1,200 to have that part fixed cause it burnt up. replaced the front blower motor assembly. my husband burnt his hand on the wire exposed under the dash then the mechanic said the blower motor has burnt up the components around …”
- NHTSA complaint ODI #11661047 (filed 05/14/2025): “The contact owns a 2015 ford expedition. the contact stated while the vehicle was parked, the check engine warning light illuminated. the vehicle was taken to a dealer where it was diagnosed and determined that the catalytic converter needed to be replaced. the contact researched and was made aware …”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .