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What 24 owners told NHTSA about the 2020 Ford F-450 Sd

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (24)Crash / fire / injury (4)Fuel System, Diesel (7)Transmission & drivetrain (5)Electrical system (3)Engine (2)Speed control (2)Body & structure (1)Driver assistance (1)Fuel system (1)Fuel System, Other (1)Latches & locks (1)

1 of 24 complaints match · Fuel System, Other · clear filters

May 31, 2021Fuel System, Other

Kept smelling faint diesel fuel odor would come and go while driving for 11,000 miles, never saw a leak, then became worse and saw drops on driveway size of a dime. Found a steady drip of fuel only while running from fuel filter under hood above valve cover, replaced filter and leak stopped. Closer look found heavy stains from fuel leak on top of engine. Has been that way since new. Leak now fixed. This could be a fire hazard. Glad I found it.

NHTSA ODI 11419124

Working with the data? Download all 24 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2020 Ford F-450 Sd verdict →