1997 Mercury Grand Marquis Engine and Engine Cooling Problems
Owners have filed 124 complaints with NHTSA about engine and engine cooling problems on the 1997 Mercury Grand Marquis, 39% of all complaints for this model year. Half of the reports with a mileage happened before 80,072 miles. The words owners use most often: “intake manifold” (70% of reports).
- 124engine and engine cooling complaints
- 80,072median miles at failure
- 1mention a crash
- 2mention an injury
- 0related recalls
- $1,300typical repair cost reported by owners
- 66%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Intake manifold: mentioned in 87 of 124 complaints (70%)
- Temperature gauge: mentioned in 9 of 124 complaints (7%)
- Ford motor: mentioned in 8 of 124 complaints (6%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the 1997 Mercury Grand Marquis at $1,300, and half of them between $1,100 and $2,100.
Based on 23 NHTSA complaints about this problem alone that state a repair bill or quote (2002–2008), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine and engine cooling problems happen?
Based on 77 complaints that reported the odometer reading.
How serious are the reports?
Of 124 complaints, 1 mention a crash, 3 a fire, 2 an injury.
Mercury Grand Marquis engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2010 Grand Marquis | 1 | 4% | 36,000 |
| 2008 Grand Marquis | 5 | 6% | 19,800 |
| 2007 Grand Marquis | 3 | 3% | 3,001 |
| 2006 Grand Marquis | 2 | 1% | 99,300 |
| 2005 Grand Marquis | 9 | 2% | 20,194 |
| 2004 Grand Marquis | 10 | 3% | 100,000 |
| 2003 Grand Marquis | 13 | 4% | 18,445 |
| 2002 Grand Marquis | 10 | 13% | 73,000 |
| 2001 Grand Marquis | 20 | 13% | 36,000 |
| 2000 Grand Marquis | 17 | 10% | 87,000 |
| 1999 Grand Marquis | 26 | 16% | 92,100 |
| 1998 Grand Marquis | 26 | 18% | 100,000 |
| 1997 Grand Marquis | 124 | 39% | 80,072 |
| 1996 Grand Marquis | 85 | 36% | 85,000 |
| 1995 Grand Marquis | 8 | 4% | 76,583 |
When owners reported it
Related recalls (0)
No safety recall lists engine and engine cooling for the 1997 Mercury Grand Marquis. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
1997 mercury grand marquis. Consumer writes in regards to cracked intake manifold in vehicle. *smd
Tl*the contact owns a 1997 mercury grand marquis. The contact stated that while driving approximately 50 mph, the vehicle suddenly overheated. The vehicle was taken to a local mechanic who replaced the intake manifold. The manufacturer was not notified. The current and failure mileages were…
Tl*the contact owns a 1997 mercury grand marquis. The contact stated that while driving 65 mph, the service check engine light illuminated. The vehicle was taken to the dealer where they diagnosed it stating that the intake manifold failed due to the structure. The manifold was replaced at the…

Frequently asked questions
Do all 1997 Mercury Grand Marquiss have engine and engine cooling problems?
No. NHTSA has 124 owner complaints about engine and engine cooling for the 1997 Mercury Grand Marquis (39% of the 316 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 1997 Mercury Grand Marquis engine and engine cooling?
No recall currently lists engine and engine cooling for this vehicle.
At what mileage do engine and engine cooling problems start?
The median reported mileage is 80,072 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine and engine cooling problems on the 1997 Mercury Grand Marquis?
Owners report a typical cost of $1,300 (half paid between $1,100 and $2,100), from 23 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine and engine cooling problems on the 1997 Mercury Grand Marquis?
The most frequent phrase is “intake manifold”, in 87 of 124 complaints, followed by “temperature gauge” (9).
See all 1997 Mercury Grand Marquis problems or engine and engine cooling problems across all Grand Marquis years.