2015 Ford Expedition: Complete loss of power while driving
Common wear/failure (not a recall)
Symptoms
Owners of the 2015 Expedition report: complete loss of power while driving. CarComplaints.com lists 5 owner complaints, average mileage 53,700 miles.
NHTSA has 32 owner complaints for the 2015 Expedition in this area. 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 m…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: replaced spark plug (2 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
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: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Complete loss of power while driving (2015 Expedition)
- NHTSA complaints API, 2015 Expedition
Page last updated .