11 of the 23 complaints about the 1997 Ford Grand Marquis are about the engine — 48% of everything reported for this model year. Half of the failures with a mileage on record happened before 73,402 miles.
11
Complaints
0
Crashes
0
Fires
0
Injuries
Filed with NHTSA, in their own words.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
WHILE DRIVING VEHICLE OVERHEATED DUE TO INTAKE MANIFOLD FAILURE. COOLANT LEAKED INTO THE ENGINE. DEALER NOTIFIED.
NHTSA complaint #10071446 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING
WHILE DRIVING, THE TEMPERATURE GAUGE WAS VERY HIGH BECAUSE THE INTAKE MANIFOLD FAILED. THIS CAUSED THE COOLANT TO GO INSIDE THE ENGINE. THE VEHICLE WAS TOWED TO AN INDEPENDENT SHOP. THE MECHANIC REPLACED THE INTAKE MANIFOLD. THE VEHICLE OVERHEATED IN TRAFFIC. THIS WAS A KNOWN PROBLEM. *SCC
NHTSA complaint #10048034 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
WHEN DRIVING AT VARIOUS SPEEDS, THE INTAKE MANIFOLD CRACKED, WHICH CAUSED COOLANT TO LEAK OUT.*AK
NHTSA complaint #10038018 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
CONSUMER STATES THERE IS A COOLANT SMELL COMING INTO THE CAB . ALSO HEAVY SMOKE COMIING FROM UNDER THE VEHICLE. DEALER STATES THERE IS A HAIRLINE CRACK ON THE INTAKE MANIFOLD.
NHTSA complaint #10029884 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
CONSUMER CALLED COMPLAINING ABOUT HAVING PROBLEMS WITH THE INTAKE MANIFOLD GASKET. MANIFACTURER WAS NOT CONTACTED AT THE TIME OF THIS CALL.
NHTSA complaint #10029597 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
1997 MERCURY GRAND MARQUIS CRACKED INTAKE MANIFOLD. *MR THE VEHICLE STALLED IN HEAVY TRAFFIC ALMOST HITTING AN 18 WHEELER AND FORD DENIED RESPONSIBILITY. THE WATER PUMP WAS REPLACED BUT THE STEAM CONTINUED TO ESCAPE AND THE PROBLEM WAS DIAGNOSED AS A CRACKED MANIFOLD. THE CONSUMER WAS TOLD THAT THIS WAS A WELL KNOWN PROBLEM FOR FORD BECAUSE THEY HAVE USED PLASTIC INTAKE FOR SOME TIME AND THE VEHICLES WERE SUBJECT TO HIGHER TEMPERATURES AND WOULD STOP IN TRAFFIC WITH NO WARNING. *SCC
NHTSA complaint #10022541 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
WHILE DRIVING, THE VEHICLE OVERHEATED. THE INTAKE MANIFOLD WAS REPLACED.
NHTSA complaint #10020346 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
THE VEHICLES INTAKE MANIFOLD CRACKED AND RESULTED IN COOLANT LEAK. *NLM *SCC
NHTSA complaint #10012509 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
CONSUMER STATED THE MANIFOLD WHICH CAUSED THE ENGINE TO OVERHEAT.TS
NHTSA complaint #8023712 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING
WHILE TRAVELING DOWN THE HIGHWAY VEHICLE MADE A POPPING SOUND. THEN, CONSUMER SAW WATER POURING OUT OF BACK OF VEHICLE. TEMPERATURE GAUGE WENT TO HOT, AND VEHICLE STALLED ON A SIX LANE HIGHWAY. VEHICLE WAS TOWED GAS STATION ,AND THEY REPLACED INTAKE MANIFOLD. PLEASE PROVIDE ANY FURTHER INFORMATION.
NHTSA complaint #896273 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
WHILE OPERATING VEHICLE AT 60 MPH THE INTAKE MANIFOLD BEHIND THE ALTERNATOR CRACKED CAUSING RAPID LOSS OF FLUID RESULTING IN LOSS OF POWER,AND CONTROL DUE TO FAN BELT GETTING WET , STEERING BECAME DIFFICULT AND POWER COMPONETS SHUTTING DOWN. CONTROL OF VEHICLE DECREASED QUICKLY, RESULTING IN SPARK PLUG WIRES BEING DAMAGED AND PLUGS FAILING AND ENGINE SHUT DOWN.
NHTSA complaint #725065 — an unverified report by a vehicle owner.