2021 Ford Mustang Mach E fuel/propulsion system problems
46 owner complaints filed with NHTSA name the fuel/propulsion system on the 2021 Ford Mustang Mach E — 14% of all complaints for this model year.
What owners report
“After recall-related software updates were performed on my 2021 Ford Mustang Mach-E, the vehicle began experiencing repeated electrical and climate control failures. The heating and defrost system stopped working, leaving the vehicle without heat and causing the windows to fog, which reduces…”
filed Feb 7, 2026
“Car stalled once while going to a military appt but started up 3 mins later. Car then made a noise then stalled out of nowhere on the highway at a slow speed in heavy traffic causing anxiety. vehicle then had me stranded waiting for a tow to find out it’s the HVJB .”
filed Oct 15, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Mustang Mach E years
| Year | Reports | Share |
|---|---|---|
| 2024 Mustang Mach E | 6 | 14% |
| 2023 Mustang Mach E | 12 | 10% |
| 2022 Mustang Mach E | 17 | 13% |
Other reported problem areas on the 2021 Ford Mustang Mach E
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.