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1992 Mercury Grand Marquis

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1992 Grand Marquis.

Body PASSENGER CARTransmission Automatic 4-spd

The 1992 Mercury Grand Marquis is a passenger car fitted with an automatic 4-speed transmission and EPA fuel economy ratings of 17 city/24 highway/20 combined mpg, with routine oil service specified at 5.0 quarts of 5W-20 API. Within the 1990–2011 complaint record, this model year accumulated 346 owner complaints and three recalls, with Service Brakes, Hydraulic standing out as the top reported issue. That figure sits below the 487-complaint peak recorded for 2005 and well above the nine-complaint low of 2011, positioning the 1992 Grand Marquis near the middle of the model's long-term complaint history rather than at either extreme.

Model year2011 2010 2009 2008 2007 2006 2005 2004 1992

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity5.0 qtOEM · verified

Engine oil type5W-20 APIOEM · verified

EPA fuel economy17/24/20 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

OE service part numbers OEM · verified

Thermostat

RT1229

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length	212.6 in
Overall width	78 in
Overall height	56.7 in
Wheelbase	114.6 in
Curb weight	3763 lb
Weight distribution (front / rear)	56/44

Ratings & economy EPA / vPIC

EPA city / highway / combined	17 / 24 / 20 mpg
Drivetrain	Rear-Wheel Drive
Passenger volume	111 cu ft
Cargo volume	21 cu ft
Recommended fuel	Regular Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 5.0 qt of 5W-20 API engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake Fluid	DOT 3
Engine Coolant	ETHYLENE GLYCOL
Engine Oil	SYNTHETIC · 5W-20 · API
Engine Oil Capacity	5.0 qt
Power Steering Fluid	ATF

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

At 7,500 mi	Tire & Wheel Assembly (rotate)
Every 7,500 mi	Engine Oil (drain & refill) · Engine Oil Filter (replace)
Every 15,000 mi	Steering Linkage (inspect) · Suspension System (inspect) · Tire & Wheel Assembly (rotate)
Every 30,000 mi	Accessory Drive Belt (inspect) · Brake Linings (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill) · Exhaust System Heat Shield (inspect)
Every 100,000 mi	Drive Axle Assembly (drain & refill)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 1992 Mercury Grand Marquis shows a sharp increase in federal complaints relative to the preceding years, with 346 complaints compared to 61 in 1990 and 90 in 1991, while recalls rose to three (from one and two) and investigations jumped to eight (from one each). After 1992, complaints decline to 186 in 1993 and 226 in 1994 before gradually climbing again in later model years, indicating that 1992 sits at a peak in the complaint trend for this generation. The data also notes that the highest volume of complaints in 1992 concerns Service Brakes, Hydraulic (55), Electrical System (38), Vehicle Speed Control (34), and Power Train (29), alongside 30 crash‑related and 33 fire‑related complaints. Although recall counts are comparable to surrounding years, the unusually high complaint and investigation numbers suggest a higher incidence of reported issues in 1992. Consequently, based solely on the federal record, the 1992 model year appears less favorable than the adjacent years and may warrant extra caution when considering a purchase.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

346

Owner complaints

30 involved a crash · 33 a fire

Owner complaints by model year NHTSA · this generation & adjacent

’90 ’91’92’93 ’94 ’95 ’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 ’04 ’05 ’06 ’07 ’08 ’09 ’10 ’11

Owner complaints filed with NHTSA, by component

All 346 complaints on record, top 8 components.

Service Brakes, Hydraulic55

Electrical System38

Vehicle Speed Control34

Power Train29

Fuel System, Gasoline27

Engine & Engine Cooling24

Exterior Lighting20

Structure16

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

08V051000Vehicle Speed Control:Cruise ControlReported 04/02/2008

FORD IS RECALLING 225,000 MY 1992-2003 ECONOLINE, MY 1993-1995 TAURUS SHO, MY 1992-1998 CROWN VICTORIA, MY 1993 BRONCO, F-SERIES, MY 1995-1997 F-SERIES SUPER DUTY STRIPPED CHASSIS, MY 1992-1998 MERCURY GRAND MARQUIS… Remedy: DEALERS WILL INSTALL A NEW WIRING HARNESS, OR REPLACE THE MATING ELECTRICAL COMPONENT. THE RECALL BEGAN ON FEBRUARY 18, 2008. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

07V336000Vehicle Speed ControlReported 03/08/2007

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. Remedy: 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…

Technical service bulletins NHTSA · verified

Showing 5 of 63 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
CSP 08B04	2008-05-15	Fuel System, Gasoline	FORD/LINCOLN MERCURY: CERTAIN 1992-2001 MODEL YEAR CROWN VICTORIA, GRAND MARQUIS, AND…
03148	2003-07-21	Power Train	NEW TRANSMISSION COOLER FLUSHER - SERVICE TIPS. 2003 ESCORT AND SUPER DUTY F SERIES…
02208	2002-10-14	Equipment	CLIMATE CONTROL A/C SERVICE TECH TIPS. *EH
02107	2002-05-27	Visibility	TRANSFER SERVICE TIPS FOR THE FRONT WIPER MOTOR MOUNT BRACKET AND DEPRESSED PARK OUTPUT…
0214	2002-01-21	Engine And Engine Cooling	SOME ENGINE ASSEMBLIES WITH ALUMINUM CYLINDER HEADS REPAIRED IN-VEHILE HAVE BEEN FOUND TO…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420

Catalyst system efficiency below threshold — Bank 1

P0300

Random / multiple cylinder misfire detected

P0171

System too lean — Bank 1

P0455

Evaporative emission system leak detected — large leak

P0128

Coolant thermostat below regulating temperature

P0442

Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific Grand Marquis. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Vehicles taking 5.0 qt Thermostat RT1229

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 1992 Grand Marquis take?

5.0 qt of SYNTHETIC 5W-20 API, per the factory manual.

Does the 1992 Grand Marquis have open recalls?

NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Grand Marquis get?

EPA figures are 17 city / 24 highway / 20 combined mpg.