1991 Mercury Grand Marquis Engine cooling Problems
- Complaints
- 10about this part
- Share
- 12%of 82 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the engine cooling of the 1991 Mercury Grand Marquis, 12% of the 82 complaints for this model year. 2 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Vehicle starts and rides for about 20 miles, then if I have to stop for some reason the car stalls especially if I have to back up. This happens almost dailly. No accidents yet but I am afraid I will cause a serious accident with this problem. I think my car should be recalled and have thid problem fixed.”
NHTSA complaint #754650, filed 2001-11“While in the store shopping walked out, and car looked like steam coming from it, from the color of the smoke. Consumer got closer and noticed bubbling in the hood and discolorization. It was a fire in the engine compartment. Consumer felt that fire started from the catalytic converter.”
NHTSA complaint #872122, filed 2000-10“Wife came home from work parked car in garage shut it off,went into house change clothes looked out window saw smoke damm car caught on fire almost burnt the garage and house down,fire started in left front fender area as the left tire was burned up and the right one was not”
NHTSA complaint #700959, filed 1998-11“While driving during any weather condition the ABS brakes will lock up every six months. Front door locks freeze in the winter leaving them inoperable. Consumer states some wires burned causing black smoke to fill up vehicle. Brakes very rough when applied. Oil leak.”
NHTSA complaint #804220, filed 1996-10“While driving at 50mph on a bridge vehicle just completely stopped. No power steering, no anything. Dealer not aware of problem. Problem still exists. Provide further information.”
NHTSA complaint #844962, filed 1999-08Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 1 | 4% |
| 2008 | 5 | 6% |
| 2007 | 3 | 3% |
| 2006 | 2 | 1% |
| 2005 | 9 | 2% |
| 2004 | 10 | 3% |
| 2003 | 13 | 4% |
| 2002 | 10 | 13% |
| 2001 | 20 | 13% |
| 2000 | 17 | 10% |
| 1999 | 26 | 16% |
| 1998 | 26 | 18% |
| 1997 | 124 | 39% |
| 1996 | 85 | 36% |
| 1995 | 8 | 4% |
| 1994 | 15 | 10% |
| 1993 | 7 | 5% |
| 1992 | 19 | 7% |
| 1991 | 10 | 12% |
| 1990 | 3 | 5% |
| 1989 | 6 | 10% |
| 1988 | 7 | 10% |
| 1987 | 5 | 12% |
| 1986 | 4 | 19% |
| 1985 | 3 | 14% |
| 1984 | 5 | 33% |
Other parts of the 1991 Mercury Grand Marquis
21 complaintsBrakes
13 complaintsVehicle speed control
12 complaintsAir bags
11 complaintsTransmission and drivetrain
8 complaintsFuel system
4 complaintsBody and structure
4 complaintsExterior lighting
3 complaintsOther or unknown
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsLatches, locks and linkages
2 complaintsSuspension
2 complaints
← All problems reported for the 1991 Mercury Grand Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology