2001 Mercury Grand Marquis Engine Problems
- Complaints
- 9about this part
- Share
- 6%of 157 total for the year
- Median mileage
- 133,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the engine of the 2001 Mercury Grand Marquis, 6% of the 157 complaints for this model year. Where a mileage was given, the median is 133,000 miles. 1 of these say a crash was involved, 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.
“My father in law was driving my vehicle when a gmc yukon pulled out in front of him. My father in law hit the side of the yukon and only one air bag deployed which was the passanger side,my father in law was taken to the hospital bc of no feeling below his waist and the paramedics were unable to stabilize his blood pressure.”
NHTSA complaint #10496015, filed 2013-01, 82,700 miles“The 1996-2001 Mercury Grand Marquis with a 100% plastic intake manifold is known for engine overheating, even with normal use, and a coolant leak from the front of the manifold. This will often trigger the check engine light and low engine coolant warning light. The engine coolant leak is from a factory defect, which causes cracking on the front coolant passage of the intake manifold. In a very short time, this leak will lead to engine overheating issues, especially while the vehicle is idling. This is exactly what happened. …”
NHTSA complaint #11012085, filed 2017-08, 110,000 miles“PLEASE NOTE: This complaint/issue pertains to many nearly identical plastic intake manifolds sold as OEM, new or replacements for cars made in the last ten years- Dangerous perhaps fatal fires are likely not getting reported due to the nature of the cause. My car has a plastic manifold. When a fuel injector or fuel regulator fails, raw gasoline can collect in the plastic bottom. If more than a few drops collects, turning over the engine can cause, and did in my car, a massive explosion. Fortunately the blue & white cloud of smoke that filled my two-car garage did not ignite. …”
NHTSA complaint #11447930, filed 2022-01“The contact owns a 2001 Mercury Grand Marquis. The contact stated that while driving at approximately 70 MPH, the vehicle was jerking and the ABS and the check engine warning lights illuminated. The vehicle had a drastic reduction in speed. The vehicle was restarted. The vehicle was taken to the dealer on several occasions where it was repaired but the repair details were unknown. The repairs failed to remedy the vehicle. The contact stated the service engine warning light continued to illuminated and the vehicle jerked violently, reduced speed and attempted to stall. …”
NHTSA complaint #10764710, filed 2015-09, 136,037 milesEngine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 1 | 4% |
| 2009 | 2 | 8% |
| 2008 | 4 | 5% |
| 2007 | 4 | 4% |
| 2006 | 8 | 6% |
| 2005 | 5 | 1% |
| 2004 | 4 | 1% |
| 2003 | 5 | 1% |
| 2002 | 2 | 3% |
| 2001 | 9 | 6% |
| 2000 | 8 | 5% |
| 1999 | 7 | 4% |
| 1998 | 3 | 2% |
| 1997 | 2 | 1% |
| 1996 | 1 | 0% |
| 1994 | 1 | 1% |
| 1990 | 1 | 2% |
| 1985 | 1 | 5% |
Other parts of the 2001 Mercury Grand Marquis
27 complaintsSeat belts
23 complaintsEngine cooling
20 complaintsAir bags
19 complaintsBrakes
16 complaintsElectrical system
13 complaintsTransmission and drivetrain
13 complaintsExterior lighting
11 complaintsSteering
11 complaintsBody and structure
10 complaintsSuspension
7 complaintsFuel system
5 complaints
← All problems reported for the 2001 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