This factory service and repair manual for the 1993 Ford Grand Marquis serves the Base four-door sedan powered by the naturally aspirated 4.6L V8 (281 cu in), a gasoline engine with single overhead cams. Since one engine, one body style and one trim make up the whole lineup, the manual reads as a single continuous reference rather than a set of variants: procedures, specifications and torque values for the V8 and sedan, followed by wiring diagrams and diagnostics for the same car. For anyone maintaining this Grand Marquis, that means no guesswork about which figures apply.
Engines covered
- 4.6L V8 (281 cu in) — SOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Base
Known issues on the 1993 Grand Marquis. The federal record on the 1993 Grand Marquis shows no recalls. Owners have filed six complaints with NHTSA, two of them on vehicle speed control, one on the power train and one on the fuel system, with the rest spread across other areas. Speed control and fuel delivery on the 4.6L V8 are covered by the manual's procedures, specifications and diagnostics, and its wiring diagrams trace the circuits that both systems depend on.
INFORMATION REGARDING TSB 98-5A-12 (TRANSAXLE/TRANSMISSION/TRANSFER CASE-VEHICLES TOWED BEHIND RECREATIONAL VEHICLES-RECOMMENDED GUIDELINES) DOES NOT LIST TOWING INFORMATION FOR CERTAIN MODEL VEHICLES. *MJS
OLD TRANSMISSION OIL SEEMS TO BE BREAKING DOWN CAUSING SLIPPAGE IN THE TORQUE CONVERTER AND EXCESSIVE VIBRATION. BY FLUSHING OLD TRANSMISSION OIL AND ADDING A HIGH QUALITY LUBE AD
SPEED CONTROL DEACTIVATED. NO PARTS WERE AVAILABLE. CONSUMER CONTACTED DEALER. DEALER TOLD CONSUMER THAT THEY ORDERED THE PART. *AK
Showing the 2 most serious of 6 complaints filed with NHTSA.
