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Engine coolingPart report

1994 Mercury Grand Marquis Engine cooling Problems

Complaints
15about this part
Share
10%of 156 total for the year
Median mileage
85,000miles
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.

NHTSA recorded 15 complaints about the engine cooling of the 1994 Mercury Grand Marquis, 10% of the 156 complaints for this model year. Where a mileage was given, the median is 85,000 miles. 5 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“There is a slurping song in the engine, then the check engine light comes on. When this accrues excessive force is needed when brakes are depressed to stop vehicle.the window came off the cable regulator.you have to press harder on the brake pedal in order for the car to stop .you have to turn the AC off to make it easier to step.”

NHTSA complaint #10026155, filed 2003-07, 80,000 miles

“Engine uses oil. I have been told that there is too much. Transmission had noise that I really can't describe but other people with that car knows what I mean.”

NHTSA complaint #10070407, filed 2004-01

“The contact owns a 1994 Mercury Grand Marquis. The vehicle had been parked in the driveway for five hours when the contact heard a popping sound. The vehicle began to smoke and he noticed flames under the hood. A fire and police report was filed. The contact stated that no prior failures occurred before the fire. He is unsure if the vehicle was destroyed. The purchase date was unknown. The current and failure mileages were 149,000.”

NHTSA complaint #10199846, filed 2007-08, 149,000 miles

“The contact owns a 1994 Mercury Grand Marquis. Within five minutes of parking the vehicle, it caught fire. The fire originated underneath the hood on the driver side near the tire. The fire department extinguished the fire and filed a report. The vehicle was destroyed. The contact received a recall notice in september of 2007 for NHTSA campaign id number 07v336000 (vehicle speed control). The purchase date was unknown. The current and failure mileages were 85,000.”

NHTSA complaint #10204141, filed 2007-09, 85,000 miles

“Power train shudders at speeds 35-40 MPH. Wiper will not return to down position. Brake switch at brake pedal wire breaks and vehicle will not gear selector is locked in the park position and no brake lights. Air idle solenoid hums loudly. Engine loses oil and no apparent oil leaks. Brakes makes grinding noises after replacing rotors and dealer brake pads front and rear. Power window on drivers side works intermittently.”

NHTSA complaint #740833, filed 2001-02

Engine cooling: other model years

YearComplaintsShare of year
201014%
200856%
200733%
200621%
200592%
2004103%
2003134%
20021013%
20012013%
20001710%
19992616%
19982618%
199712439%
19968536%
199584%
19941510%
199375%
1992197%
19911012%
199035%
1989610%
1988710%
1987512%
1986419%
1985314%
1984533%

Other parts of the 1994 Mercury Grand Marquis

Vehicle speed control
33 complaints
Brakes
19 complaints
Transmission and drivetrain
18 complaints
Visibility (wipers, defrost, mirrors)
13 complaints
Exterior lighting
12 complaints
Seats
12 complaints
Air bags
11 complaints
Electrical system
10 complaints
Steering
10 complaints
Fuel system
6 complaints
Other or unknown
5 complaints
Tires
4 complaints

← All problems reported for the 1994 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