2015 Ford F-350 Super Duty: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 40 owner complaints for the 2015 Ford F-350 Super Duty that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11676208 (filed 07/25/2025): “2015 ford f350 6.7 liter diesel turbocharger with only 58,000 miles malfunctioned while accelerating on to freeway without any prior warning indicators or symptoms. immediately engine acceleration was reduced drastically causing freeway cars to nearly rear end my vehicle and other cars swerving to a…”
- NHTSA complaint ODI #11647012 (filed 03/07/2025): “The contact owns a 2015 ford f-350. the contact stated that upon inspecting the oil level, the dipstick had fractured in half. in addition, the contact stated that the dipstick was rusted. the vehicle was not repaired. the local dealer was not contacted. the manufacturer was notified of the failure …”
- NHTSA complaint ODI #11639640 (filed 01/30/2025): “The contact owns a 2015 ford f-350. the contact stated that while driving 55 mph, the vehicle drove over a bump in the roadway and started losing motive power. there was no warning light illuminated. despite the failure, the contact was able to drive at a reduced speed back to the residence. upon in…”
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)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- NHTSA complaints API: F-350 REGULAR CAB 2015
- NHTSA complaints API: F-350 SD 2015
- NHTSA complaints API: F-350 SUPER CREW 2015
- NHTSA complaints API: F-350 SUPERCAB 2015
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