1997 Mercury Grand Marquis Engine And Engine Cooling:engine Problems

NHTSA component category: ENGINE AND ENGINE COOLING:ENGINE · data through 07/14/2026

21Engine And Engine Cooling:engine complaints

6.6%Of all 316 complaints

#5Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine and engine cooling:engine ranks on this vehicle

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE55 · 17.4%

FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM28 · 8.9%

ENGINE AND ENGINE COOLING:COOLING SYSTEM21 · 6.6%

ENGINE AND ENGINE COOLING21 · 6.6%

ENGINE AND ENGINE COOLING:ENGINE21 · 6.6%

Share of the 316 complaints citing each category; one complaint can cite several. Full breakdown on the 1997 Mercury Grand Marquis overview page.

What owners report

“WE ALSO HAD THE PLASTIC INTAKE MANIFOLD CRACK ON THE INTERSTATE AT A REPAIR COST OF ABOUT $950.00 FORD HAS RECALLED FLEET BOUGHT 4.6L ENGINES…”NHTSA complaint 10010872 — filed 03/22/2003

“ENGINE SHUT DOWN COMPLETELY WHILE PROCEEDING ACROSS A BUSY INTERSETION, CONSUMER WAS ABLE TO SHIFT INTO NEUTRAL AND RESTART ENGINE WHILE STILL ROLLING AND CONTINUED…”NHTSA complaint 560631 — filed 04/01/2001

“COMPUTER HAS TO BE 'REFLASHED' EVERY 20,000 MILES APPROXIMATELY BECAUSE OF LOST DATA CONTROLLING ENGINE TIMING AND OPTIMUM AUTOMATIC SHIFT PERFORMANCE. THIS COULD LEAD TO…”NHTSA complaint 712996 — filed 10/08/1999

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine And Engine Cooling:engine complaints by year filed

Frequently asked questions

Does the 1997 Mercury Grand Marquis have engine and engine cooling:engine problems?

Engine And Engine Cooling:engine is the #5 most-reported problem area on the 1997 Mercury Grand Marquis: 21 of 316 complaints on file (6.6%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1997 Mercury Grand Marquis have in total?

316 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 11 involved a crash, 6 involved a fire, 11 reported injuries, and none reported deaths.

What does NHTSA's engine and engine cooling:engine category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING:ENGINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.