2003 Ford F-150 electrical system problems
47 owner complaints filed with NHTSA name the electrical system on the 2003 Ford F-150 — 11% of all complaints for this model year.
What owners report
“I moved my vehicle from driveway to park on the street so my husband could park in the driveway. I then turned my vehicle off and roughly 2 hours later, a lady came screaming "fire fire fire!" I went to see where she was talking about and my truck was smoking under the hood, I then called the fire…”
filed Aug 18, 2026
“The engine continues to shoot out the spark plugs. This is continued to happen with different cylinders. I’ve had it at the mechanic most of the time I’ve owned it.”
filed Aug 6, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Water-in-fuel (wif) lamp on. *tt
06310 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
Electrical System problems in other F-150 years
| Year | Reports | Share |
|---|---|---|
| 2025 F-150 | 22 | 22% |
| 2024 F-150 | 39 | 21% |
| 2023 F-150 | 82 | 20% |
| 2022 F-150 | 125 | 21% |
| 2021 F-150 | 128 | 13% |
| 2020 F-150 | 86 | 12% |
| 2019 F-150 | 98 | 7% |
| 2018 F-150 | 171 | 7% |
| 2017 F-150 | 133 | 9% |
| 2016 F-150 | 187 | 9% |
| 2015 F-150 | 172 | 10% |
| 2014 F-150 | 161 | 11% |
Other reported problem areas on the 2003 Ford F-150
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.