2020 Ford Mustang engine problems
23 owner complaints filed with NHTSA name the engine on the 2020 Ford Mustang — 20% of all complaints for this model year.
What owners report
“I own a 2020 Ford Mustang EcoBoost with approximately 75,000 miles. My vehicle developed a check engine light with diagnostic codes P0300 (random misfire) and P0301 (cylinder 1 misfire). I also began experiencing white smoke from the exhaust during cold starts. An independent repair shop suspects…”
filed Jul 21, 2026
“Check engine light came on, car lost power on highway. Car continues to have the same issue after repairs have been made. Ford App says engine misfire, after every repair. Ford mechanics fix spark plugs, coils, electrical. None of which has fixed the issue of stalling on the highway which poses…”
filed May 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Mustang years
| Year | Reports | Share |
|---|---|---|
| 2024 Mustang | 9 | 12% |
| 2022 Mustang | 5 | 10% |
| 2021 Mustang | 8 | 15% |
| 2019 Mustang | 45 | 32% |
| 2018 Mustang | 53 | 28% |
| 2017 Mustang | 26 | 10% |
| 2016 Mustang | 74 | 20% |
| 2015 Mustang | 51 | 12% |
| 2014 Mustang | 18 | 5% |
| 2013 Mustang | 22 | 8% |
| 2012 Mustang | 30 | 6% |
| 2011 Mustang | 48 | 10% |
Other reported problem areas on the 2020 Ford Mustang
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.