There are 34 owner-reported engine complaints for the 2001 Ford Mustangin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I JUST HAD TO PAY APPROX $700 TO REPLACE MY INTAKE MANIFOLD WHICH CRACKED AND CAUSED A COOLANT LEAK. UPON FIXING THIS ISSUE, I WAS INFORMED THAT THIS WAS A FORD RECALL A FEW YEARS AGO. SEEING AS THIS PART HAS NEVER BEEN REPLACED ON MY VEHICLE, I WOULD LIKE MORE INFORMATION ON THIS RECALL AND WHAT CAN BE DONE. *TR
4.6 LITER V8. SPARK PLUG BLEW OUT OF CYLINDER HEAD. COULD HAVE RESULTED IN A FIRE BUT LUCKILY DID NOT. SPARK PLUGS WERE LAST CHANGED OVER 30,000 MILES PREVIOUSLY. *TR
WHILE DRIVING AT 30 MPH, THE VEHICLE SPARK PLUG EXPLODED OUT OF THE ENGINE. *TR
TL* THE CONTACT OWNS A 2001 FORD MUSTANG. WHILE DRIVING APPROXIMATELY 25 MPH, THE CONTACT NOTICED SMOKE COMING FROM UNDER THE HOOD. THE CONTACT STOPPED THE VEHICLE AND NOTICED A HOSE WAS DETACHED FROM THE ENGINE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTICS. THE TECHNICIAN STATED THAT THE BYPASS HOSE WOULD HAVE TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE FAILURE RECURRED WHILE THE VEHICLE WAS STILL AT THE DEALER. THE TECHNICIAN THEN STATED THAT THE MANIFOLD WAS FRACTURED AND THE HEAD GASKET WOULD HAVE TO BE REPLACED. THE MANIFOLD WAS REPLACED BUT NOT THE HEAD GASKET. THE VEHICLE WAS NOT FURTHER REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 53,000. UPDATED 12/06/11*LJ THE CONSUMER STATED THE REPAIR TECHNICIAN WAS INJURED WHILE REPAIRING THE CRACKE MANIFOLD INTAKE. UPDATED 06/13/2012 *JS
S # 1 SPARKPLUG EJECTED FROM HEAD UPON ENGINE START-UP. *TR
WHILE ON FREEWAY CAR STARTED SMOKING SO I EXITED FREEWAY WHEN CAR STALLED AND WOULDN'T RESTART. HAD TO TOW BACK TO CAR LOT WHERE I PURCHASED CAR 3 DAYS PRIOR. PLASTIC INTAKE MANIFOLD HAD A CRACK. *TR
SPARK PLUG BLOW OUT. *TR
2001 V6 FORD MUSTANG SUDDENLY STARTED TO MISS-FIRE. I HAVE BEEN SMELLING EXHAUST ODORS FOR SOME TIME, BUT COULD NOT FIND ANYTHING WRONG. I TOOK IT TO THE DEALER AS SOON AS IT STARTED TO MISS-FIRE. THEY DIAGNOSED THE PROBLEM AS A SENSOR WITH MOISTURE IN IT AND BOTH EXHAUST MANIFOLDS WERE CRACKED. IT'S NO WONDER I WAS SMELLING EXHAUST FUMES. I WAS LUCKY NOT TO BE OVERCOME WITH CARBON MONOXIDE WHILE DRIVING. THERE WAS NO APPARENT REASON FOR THE EXHAUST MANIFOLD FAILURE. THE DEALERS REP SAID: " WE HAVE REPLACED QUITE A FEW OF THEM AND THE NEW ONES ARE BETTER". *TR
2001 FORD MUSTANG SPARK PLUG BLEW OUT. *NJ THE SPARK PLUG BLEW OUT OF THE NUMBER 3 CYLINDER. *JB
I STARTED MY CAR AND PUT IT IN DRIVE AND BEGAN TO ACCELERATE WHEN THE ENGINE RACED TO 6000 RPMS. PUT MY FOOT ON THE BRAKE AND THE CAR KEPT ACCELERATING. I PULLED MY PARKING BRAKE AND GOT THE SAME RESULT. I THEN PUT MY CAR IN PARK AND AT THAT TIME I WAS DOING ABOUT 60 IN A NEIGHBORHOOD HEADING STRAIGHT FOR A LIGHT POLE. I JUST BARELY MISSED THE POLE BUT STILL HIT THE CURB AND TOTALED MY CAR. AFTER TURNING THE KEY THE ENGINE STOPPED. A MECHANIC AT THE COLLISION CENTER LOOKED AT MY ENGINE AND SAW THAT MY THROTTLE WAS STUCK WIDE OPEN. THE CAR IS STILL SITTING AT THE COLLISION CENTER WAITING FOR A FORD REPRESENTATIVE TO COME AND LOOK AT IT. *TR
TL*THE CONTACT OWNS A 2001 FORD MUSTANG GT. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE IDLED ROUGHLY, OVERHEATED, AND HESITATED. THE DEALER STATED THAT COOLANT WAS LEAKING FROM THE INTAKE MANIFOLD CROSSOVER CHANNEL. THE TECHNICIAN ALSO STATED THAT THERE WAS A FORD SAFETY CAMPAIGN THAT PERTAINED TO THE FAILURES HE WAS EXPERIENCING. HOWEVER, THE STIPULATION OF THE SAFETY CAMPAIGN STATE THAT THE VEHICLE MUST BE WITHIN SEVEN YEARS OF THE ORIGINAL PURCHASE DATE. THE VEHICLE EXCEEDS THIS STIPULATION BY SIX WEEKS. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 125,000 AND CURRENT MILEAGE WAS 131,000.
TL*THE CONTACT OWNS A 2001 FORD MUSTANG CONVERTIBLE. WHILE DRIVING BETWEEN 10-30 MPH, THE VEHICLE STALLED, BUT THE RADIO REMAINED ACTIVATED. THE CONTACT WAITED FOR APPROXIMATELY FIVE MINUTES BEFORE THE VEHICLE RESTARTED AUTOMATICALLY. THE VEHICLE WAS TOWED TO A DEALER, BUT THEY COULD NOT FIND ANY FAILURE. THE CURRENT AND FAILURE MILEAGES WERE 50,200. UPDATED 12/12/2007 *BF
2001 MUSTANG 3.8 V6 (54,000 MILES) WAS LEAKING EXHAUST FROM THE PASSENGER SIDE OF ENGINE UNDER HOOD CAUSING EXHAUST FUMES TO COME IN CAR. THE EXHAUST MANIFOLD (CRACKED) AND EGR TUBE (HOLE BURNED THROUGH) HAD TO BE REPLACED. *TR
I DON'T KNOW MUCH ABOUT THE MECHANICS OF CARS, BUT A SPARK PLUG BLEW OUT OF MY 2001 MUSTANG GT CAUSING A LOUD REPETITIVE NOISE AND A NOTABLE LOSS OF POWER. IT WAS STILL UNDER THE 30 DAY/3000 MILES USED VEHICLE WARRANTY AND IT WAS FIXED AT NO CHARGE TO MYSELF. THE SAME THING HAPPENED AGAIN A WEEK LATER AND I WAS TOLD (IN THE BEST WORDS THAT I CAN DESCRIBE IT) THE THREADING IN THE HOLE OF THE PART OF THE ENGINE THAT THE SPARK PLUG SCREWS INTO, WOULD NO LONGER HOLD THE SPARK PLUG AND THAT THE ENGINE NEEDED TO BE SENT TO A MACHINE SHOP TO BORE THE HOLE IN DEEPER COSTING A AROUND $3000.00. *NM
BLOWN FORD SPARK PLUG! I DRIVE A 2001 FORD MUSTANG GT, 4.6L V8, AND ONE NIGHT I WAS SITTING AT A RED LIGHT AND AS SOON AS IT TURNED GREEN I STEPPED ON THE GAS LIKE ANY OTHER LIGHT AND I BLEW A SPARK PLUG. I BOUGHT THE CAR USED WITH 10K ON IT AND IT BLEW AT 56K. I NEVER REPLACED THE PLUGS SO IM GUESSING THEY WERE FACTORY INSTALLED. AS OF TODAY I HAVE REPLACED BOTH HEADS BUT THE DAMAGE FROM THE BLOWN SPARK PLUG SEEMS TO HAVE AFFECTED MY ENGINE BLOCK ITSELF. MY GUESS IS FROM DRIVING THE CAR OFF THE ROAD INTO A PARKING LOT. NOT HAVING MONEY TO REBUILD THE ENGINE I HAVE SINCE PARKED THE CAR HOPING FORD TAKE RESPONSIBILITY FOR ITS MISTAKE. I HAVE READ MORE AND MORE HOW MANY FORD V8S TEND TO DO THIS YET FORD ACTS LIKE IT DOESN'T EXIST. I CALLED FORD ABOUT ORDERING NEW HEADS AND THEY INSISTED THERE IS NO PROBLEM. I WAS RAISED ON FORDS BUT DON'T SEE ME BUYING ONE EVER AGAIN. *TR
AFTER HAVING A STRONG VIBRATION IN THE DASH AT HIGHER RATES OF SPEED 60+, AND THEN DEVELOPING HEAVY ENGINE KNOCK WITH ROUGH IDLING, I TOOK VEHICLE TO THE DEALERSHIP. THERE I LEARNED THAT I HAD 3 BAD RODS AND NEEDED A COMPLETE NEW ENGINE AFTER ONLY HAVING 57,000 ON THE ORIGINAL ONE. *NM
STARTED HEARING A TICKING NOISE COMING FROM TOP PART OF THE ENGINE VERY NEXT DAY THE SPARK PLUG BLEW OUT OF THE CYLINDER HEAD NUMBER 3, RESULTING IN A CYLINDER HEAD REPLACEMENT .AFTER READING ALL OF THE FORUM COMPLAINTS THAT THIS IS A DEFECT, THANK GOD MINE WAS COVERED UNDER WARRANTY, STILL LEFT WITH OUT A CAR FOR A WEEK , NO LOANER OR ENTAL PROVIDED BY DEALER AND I COULDNT AFFORD ONE. *AK
TL* THE CONTACT OWNS 2001 FORD MUSTANG GT. THE CONTACT STATED THAT WHILE DRIVING 20 MPH, THE SPARK PLUGS SHOT OUT OF THE ENGINE. THE VEHICLE WAS TAKEN TO THE DEALER WHO WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 100,000.
I HAVE A 2001 FORD MUSTANG V6 CONVERTIBLE. FORD HAS A DEFECT ON THEIR DPFE SENSOR FOR THEIR EMISSION EGR FLOW. THIS IS A BIG PROBLEM IN FORD MUSTANGS. EVERY PERSON I KNOW WHO OWNS A 99-01 HAS HAD TO CHANGE THEIR DPFE SENSOR, SPENDING THEIR OWN MONEY FOR FORD'S DEFECTIVE PRODUCT. EVEN THE LOCAL ROCK RIVER FORD DEALERSHIP PARTS DEPT. TOLD ME THAT FORD HAS A BIG DEFECT ON THIS, AND THEY SHOULD HAVE RECALLED THE PROBLEM. FORD HAS A FAULTY DPFE SENSOR ON THEIR MUSTANGS. I GUESS I'LL HAVE TO PAY MY HARD EARNED MONEY TO TEMPORARILY FIX THEIR PROBLEM, BY BUYING A NEW DPFE SENSOR. I THINK FORD SHOULD GIVE ME A NEW SENSOR, IT WAS THEIR DEFECTIVE PRODUCT. CHECK UNDER ANY OF THE 99-01 V6 MUSTANG FORUMS SITES, AND SEE HOW MANY PEOPLE HAVE THE SERVICE ENGINE SOON LIGHT, FOR "INSUFFICIENT EGR FLOW". CAUSED BY THEIR FAULTY PRODUCT. I ALSO HAVE A PROBLEM WITH MY THROTTLE STICKING. UNDER HARD ACCELERATION, WHEN I TAKE MY FOOT OFF THE GAS, THE CAR WILL CONTINUE TO KEEP GOING FASTER. THE GAS PEDDLE STICKS. I HAVE ALMOST GOT INTO A FEW ACCIDENTS DUE TO THIS. *NM
I STARTED MY VEHICLE IN THE MORNING AND I HEARD A LOUD NOISE IN THE ENGINE. I LEFT THE CAR LIKE THAT AND CALLED MY MECHANIC. WHEN HE CHECKED THE CAR, HE FOUND OUT THAT THE SPARK PLUG WAS LOOSE, HE JUST PUT BACK. A COUPLE OF MONTHS LATER, I HEARD THE NOISE IN THE ENGINE AGAIN, I KNEW WHAT THE POBLEM WAS SO I PUT THE PLUG BACK IN. SOME MONTHS LATER (12/04) I HAD THE SAME PROBLEM, BUT THIS TIME THE PLUG WOULDN'T TIGHTEN, SO I CALLED MY MECHANIC AGAIN. HE CHECKED THE CAR AND FOUND OUT THAT THE THREAD IN THE SPARK PLUG HOLE HAD STRIPPED. I BOUGHT A SPARK PLUG THREAD KIT AND HE WAS ABLE TO FIX THE ENGINE, BUT THE ENGINE DIDN'T PERFORM THE SAME. *NM
Showing 1–20 of 34 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026