2021 Ford F-350
Problems, Recalls & Reliability Report
Quick Summary
The 2021 Ford F-350 has 119 owner complaints filed with NHTSA — that's 0.5x the segment average of 252. The most common issue is fuel system problems (29% of all complaints), specifically: this truck on a daily basis, shuts down with out warning. check engine light comes on some time, some times get p0191, p0171 and other codes dealing with fuel rail and pressure. vehicle had less than 10000 miles when started. dealer don't know what to do. shuts off when you are in a turn and leaves . ⚠️ 4 fire reports filed.
119
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.5x
vs Segment Avg
Known Problems(top 5 of 8)
FUEL SYSTEM
35 complaints- • This truck on a daily basis, shuts down with out warning. Check engine light comes on some time, some times get P0191, P0171 and other codes dealing with fuel rail and pressure. Vehicle had less than 10000 miles when started. Dealer don't know what to do. Shuts off when you are in a turn and leaves
- • Check engine light comes on almost everyday. After at least 5 minutes driving, this trucks engine will shut down with out notice. Usually when making a turn or coming to a stop light. When this happens you loose all steering control. You have to shift to neutral and try and restart. This has cau
- • This vehicle has horrible throttle response. When I take off normally then let off the gas then try and accelerate, there is a 2-3 second lag in acceleration. It’s dangerous because I’ve had times where I can’t get out of the way of oncoming traffic. Not all of these trucks have this and I want ford
“This truck on a daily basis, shuts down with out warning. Check engine light comes on some time, some times get P0191, P0171 and other codes dealing with fuel rail and pressure. Vehicle had less than 10000 miles when started. Dealer don't know what to do. Shuts off when you are in a turn and leaves ”
— NHTSA complaint filing
When Problems Appear on the 2021 Ford F-350
Based on 42 owner complaints that included an odometer reading. Median mileage at time of complaint: 72K miles. Most complaints cluster in the 100-150K miles range.
FUEL SYSTEM
Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.
Estimated Insurance Cost for 2021 Ford F-350
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Ford F-350 Service Intervals
IOLM (Intelligent Oil Life Monitor) may signal earlier. Older 5.4L Triton engines have specific service needs — check the manual.
"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.
Ford New-Vehicle Warranty Coverage
These are the terms for a new Ford. If you're buying a used 2021 F-350, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Ford dealer for VIN-specific remaining warranty.
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 119 owner complaints for this specific year, here's what to check or ask about:
- ☐FUEL SYSTEM: This truck on a daily basis, shuts down with out warning. Check engine light comes on some time, some times get P0191, P0171 and other codes dealing with fuel rail and pressure. Vehicle had less than 10000 miles when started. Dealer don't know what to do. Shuts off when you are in a turn and leaves
Typically appears around 50K miles. Repair cost ~$500
- ☐ENGINE: This truck on a daily basis, shuts down with out warning. Check engine light comes on some time, some times get P0191, P0171 and other codes dealing with fuel rail and pressure. Vehicle had less than 10000 miles when started. Dealer don't know what to do. Shuts off when you are in a turn and leaves
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: The contact owns a 2021 Ford F-350. The contact stated while driving 65 MPH, the trailer disconnected warning light illuminated. The contact disconnected the trailer and drove the vehicle to the dealer. The dealer could not duplicate the failure with the trailer being disconnected. A diagnostic test
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: My setup: truck is level, trailer is 3/8" drop in front, and hitch ball up leaving one hole open from top. After installing product, ensuring proper setup, there is concern for towing safety, as the bottom of the drawbar drop is ~8-1/2" from ground, with reports from others that this setup has on nu
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Ford F-350 — Year Comparison
How does 2021 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 119
- Recalls
- 0
- Fire reports
- 4
- Crash reports
- 0
- Injury reports
- 1
- Segment avg
- 252
Check a Specific VIN
See recalls for YOUR 2021 Ford F-350