2003 Mercury Grand Marquis engine problems
15 complaints about engine have been filed for the 2003 Mercury Grand Marquis, which is 3% of all its NHTSA complaints.
At a glance
- Complaints
- 15 3% of this year's complaints
- Typical mileage
- 36,000 miles 11 complaints with mileage
- Crashes and fires
- 2 and 0
- Injuries and deaths
- 5 and 0
Source: NHTSA owner complaints
When engine problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 4 |
| 20k to 40k miles | 3 |
| 40k to 60k miles | 0 |
| 60k to 80k miles | 0 |
| 80k to 100k miles | 0 |
| 100k to 120k miles | 0 |
| 120k to 140k miles | 0 |
| 140k to 160k miles | 2 |
| 160k to 180k miles | 1 |
| 180k to 200k miles | 0 |
| 200k+ miles | 1 |
What the data shows
Of the 11 engine complaints that report mileage, the median is about 36,000 miles, and 64% were reported before 60,000 miles.
These complaints mention 2 crashes, 5 injuries.
What owners wrote
After starting and shifting into drive the engine raced and there was unexpected acceleration and the car would not stop even while applying brake. Turned vehicle off after crash and the engine continued to sound like it was running.
The contact owns a 2003 Mercury Grand Marquis. The contact stated while driving approximately 70 MPH, the vehicle started losing motive power. The contact stated that the vehicle had shifted to LIMP Mode and was almost side swiped by a tractor trailer. The contact stated that the check engine warning light was illuminated. The contact had not taken the vehicle to a local dealer. The vehicle had been towed to an independent mechanic; however, the vehicle was not diagnosed or repaired.
Other problems reported for the 2003 Mercury Grand Marquis
- Lighting 210 complaints
- Electrical system 52 complaints
- Steering 28 complaints
- Suspension 28 complaints
- Cruise control 27 complaints