1993 Mercury Grand Marquis: Recalls, Problems & MPG
Here are the deets on the 1993 Mercury Grand Marquis: 3 recalls, 144 owner complaints and up to 19 mpg combined.
Recalls
3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Electrical Vehicle recall #99V124000 · 1999 · 262,695 vehicles
What's wrong: The speed control deactivation switch can develop a resistive short in the electrical circuit that could potentially result in an underhood fire. A fire is possible both when the vehicle is running and when the vehicle engine is off. Also, the short could disable the speed control system or cause the brake light fuse to open.
Why it matters: A fire can originate in the left front underhood area.
The fix: Dealers will install a new speed control deactivation switch and connector shell. Owner notification began May 20, 1999.
Speed control / throttle Vehicle recall #07V336000 · 2007 · 3,600,000 vehicles
What's wrong: On certain pickup trucks, passenger vehicles, sport utility vehicles, and motor homes chassis, the speed control deactivation switch May, under certain conditions, leak internally and then overheat, smoke, or burn.
Why it matters: This could result in an underhood fire.
The fix: Dealers will install a fused wiring harness. Owners of the passenger cars included in this campaign will be instructed to return their vehicles to their dealers to have the speed control deactivation switch disconnected as an interim repair. As soon as repair parts are available (expected October…
Speed control / throttle Vehicle recall #08V051000 · 2008 · 225,000 vehicles
What's wrong: The affected vehicles were previously repaired using a wiring harness that is not compatible with the vehicle circuit polarity.
Why it matters: As a result, the fuse is located in the output circuit rather than in the intended input power feed circuit, and May not offer the intended protection in the event of an electrical short to ground.
The fix: Dealers will install a new wiring harness, or replace the mating electrical component. The recall began on February 18, 2008.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 18 mention a fire, 6 injuries and 0 deaths were reported.
What owners describe
- Transmission & drivetrain (28): the most common themes are hard / delayed shifting (10), noise or vibration (8), stalls / loses power (3).
- Brakes (hydraulic) (22): the most common themes are brake failure / soft pedal (7), rust / corrosion (5), noise or vibration (4).
- Electrical (20): the most common themes are fire / smoke (8), electrical failure (5), stalls / loses power (3).
- Speed control / throttle (19): the most common themes are sudden acceleration (4).
The 1993 Mercury Grand Marquis has 144 owner complaints, ranking #12 of 22 Grand Marquis model years for complaints (about average; the typical year has 168). Complaints peaked in 1996 (27 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 90,000 miles. Neighboring years: 1992 (255 complaints, 3 recalls), 1994 (156 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.6 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 16 | 24 | 19 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 1993 Mercury Grand Marquis.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
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FAQ
Does the 1993 Mercury Grand Marquis have any recalls?
Yes. NHTSA lists 3 vehicle recalls for the 1993 Mercury Grand Marquis. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 1993 Mercury Grand Marquis problems?
Owners have filed 144 complaints with NHTSA. The most-reported areas are transmission & drivetrain (28), brakes (hydraulic) (22), electrical (20).
What gas mileage does the 1993 Mercury Grand Marquis get?
EPA ratings run up to 19 mpg combined (4.6 L, Automatic 4-spd), across 1 engine and transmission combos.
Where can I get a 1993 Mercury Grand Marquis repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.