Problems · by component
1997 Ford Mustang engine and engine cooling problems
63 owner complaints to NHTSA about the 1997 Ford Mustang cite engine and engine cooling, 27% of all 230 complaints for this model year.
Complaints
63
27% of all complaints
Crashes
2
Reported by owners
Fires
1
Reported by owners
Injuries
1
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 1997 FORD MUSTANG. THE CONTACT STATED THAT THE PLASTIC INTAKE MANIFOLD WAS CRACKED AND CAUSING COOLANT TO LEAK. THE CONTACT BELIEVED THAT THE FAILURE WAS CONTRIBUTED TO A DESIGN FLAW. THE DEALER WAS CONTACTED AND THEY ADVISED THE CONTACT THAT THEY WOULD NOT SERVICE ANY VEHICLES OVER TEN YEARS OF AGE. THE CONTACT STATED THAT THE INTAKE MANIFOLD FAILED TWICE SINCE OWNING THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 150,000.”
“1997 FORD MUSTANG GT 4.6L 8CL OIL IN RADIATOR, BUT NO WATER IN ENGINE. CAR RUNS GREAT BUT WILL RUN HOT AFTER A FEW WEEKS OF REPLACING THE RADIATOR. COMPRESSION TEST DID NOT SHOW LOSS OF COMPRESSION. MECHANICS ARE BAFFLED BECAUSE THE CAR RUNS SO WELL WITHOUT MISSING OR POWER LOSS. FURTHER TEST CAN NOT PROVE BLOWN HEAD GASKET. CAR DOESN'T EVEN SMOKE. IM CONFUSED, NEED HELP AND HOPING THERE IS A RECALL. *TR”
“ENGINE WAS USING COOLANT/TOOK TO FORD DEALER & THEY ADVISED IT'S COMING FROM CRACK IN TOP OF THE INTAKE MANIFOLD AND THERE HAD BEEN A RECALL ON THESE DUE TO CLASS ACTION LAWSUIT, BUT TIME TO FILE ENDED 4 MOS. AGO & WE'D HAVE TO PAY OUT OF POCKET. *TR”
“I HAVE BEEN HAVING A PROBLEM WITH MY 1997 FORD MUSTANG. THIS IS A PROBLEM THAT HAS GOTTEN PROGRESSIVELY WORSE OVER THE PAST FEW YEARS. AT FIRST, WHEN STARTING MY CAR, THE ENGINE WOULD TURN OVER YET THE CAR WOULD IMMEDIATELY DIE. AFTER A COUPLE OF ATTEMPTS, THE CAR WOULD EVENTUALLY START AND STAY STARTED. NOW, WHEN ATTEMPTING TO START MY CAR, THE ENGINE TURNS OVER YET THE CAR DIES IMMEDIATELY. IN MOST CASES, THE CAR DOES NOT START UNTIL IT HAS BEEN SERVICED. IT HAS BEEN TAKEN TO 3 SERVICE PROVIDERS (INCLUDING FORD), WHO HAVE BEEN UNABLE TO DUPLICATE AND/OR FIX THE PROBLEM. RECENTLY, FORD REPLACED MY AIR FLOW VALVE AND SENSOR AND JUST AFTER PICKING THE CAR UP AND DRIVING IT FOR ABOUT 30 MINUTES, I WENT INTO A STORE JUST TO COME OUT AND FIND THAT MY CAR WON'T START. ONCE STARTED THE CAR ALWAYS CONTINUES TO RUN WITH NO PROBLEM. PLEASE PLEASE HELP! *TR”
“INCIDENT LIKE MANY OTHERS I HAVE HAD MY 1997 FORD EXPEDITION XLT BLOW A SPARK PLUG OUT OF THE CYLINDER HEAD. THE VEHICLE WAS RUNNING FINE AND TROUBLE FREE WHEN A POP FROM UNDER THE HOOD AND A LOUD BANGING NOISE CAME FROM THE ENGINE HEAD. THE VEHICLE WAS TOWED TO THE REPAIR SHOP ; WHO IN TURN CALLED THE LOCAL FORD DEALER. THE REPLY WAS THEY NEVER HEARD OF THIS PROBLEM BEFORE. MY LOCAL SERVICE TECH SAID THE REPAIR KIT ALONE WOULD COST $1,000,00. TO REPAIR IT HE SAID THAT FORD HAD ONLY USED 3 THREADS IN THE HEAD THAT FAILED, BUT ARE NOW REPLACING THEM WITH A 7 THREAD HEAD., THIS TELLS ME THAT THEY ARE VERY AWARE OF THE PROBLEM BUT ARE WILLING TO LEAVE THEIR CUSTOMERS OUT TO DRY.. I GUESS THE SCARY PART ABOUT THAT IS I STILL HAVE 4 MORE 3 THREAD SPARK PLUG HOLES TO WORRY ABOUT BLOWING OUT,.I ABSOLUTELY FEEL THIS SHOULD BE THE RESPONSIBILITY OF FORD MOTOR COMPANY WHO IS LOOKING FOR THE AMERICAN PUBLIC TO BUY IT'S TRUCKS. DAMAGE RESULTING IT WILL COST ME AS LITTLE AS $2,500.00 TO REPAIR THE CURRENT PROBLEM ( AND NO GUARANTY IT WON'T HAPPEN AGAIN). OR UP TO $5,500.00 TO REPLACE THE BUILT TOUGH 5.4 TRITON ENGINE. *TR”
“THE PLASTIC INTAKE MANIFOLD CRACKED WHILE DRIVING MY 1997 MUSTANG WITH 4.6L. COST $1020 PLUS TOWING, TO REPAIR AT LOCAL FORD DEALERSHIP. FORD REFUSED TO PROVIDE ANY FINANCIAL ASSISTANCE, CITING THE CHAMBERLAIN SETTLEMENT'S EXCLUSIONS. *JB”
Showing 6 of 63 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 27, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.