1999 Ford Mustang GT Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1999 Ford Mustang GT, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Engine2256.4%
- Driver assistance410.3%
- Seat belts25.1%
- Electrical25.1%
- Interior & seats25.1%
- Airbags25.1%
- Visibility12.6%
- Powertrain (other)12.6%
- Suspension12.6%
- Tires & wheels12.6%
- Transmission12.6%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
THE CAR WAS BUILT WITH A PLASTIC INTAKE MANIFOLD. THE MANIFOLD BEGAN LEAKING AT THE THERMOSTAT HOUSING AND THEN THE HEATER HOSE CONNECTION ON THE INTAKE MANIFOLD SUDDENLY BROKE. I NOW HAVE TO HAVE THE ENTIRE INTAKE MANIFOLD REPLACED BECAUSE OF POOR DESIGN AND MATERIAL SELECTION. FORD KNEW OF THE PROBLEM BUT REFUSES TO ADDRESS THE ISSUE AND HOPES IT WILL JUST GO AWAY. THEY SHOULD REIMBURSE THE OWNERS OF THE VEHICLES FOR REPAIRS THAT WERE DUE TO POOR DESIGN AND MATERIALS USED TO MAKE THIS PART. *TR
SPARK PLUG BLEW OUT OF AN ALREADY FIXED HEAD!!! *TR
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
CAR LUNGES IN DRIVE OR REVERSE BEFORE ACCELERATOR IS DEPLOYED. *TR
WHEN SLOWING DOWN VEHICLE IDLE SPEED DROPS,AND SUDDENLY PICKS UP, CAUSING CAR TO LURCH FORWARD. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
THE FRONT SEAT BELTS MALFUNCTIONED, THEY WILL EITHER NOT RELEASE FROM HOLSTER, OR WHEN RELEASED WILL NOT RETRACT BACK INTO THE HOLSTER WITHOUT EXCESSIVE FORCE BEING APPLIED. THIS CAUSED THE BELTS TO FRAY AT THE EDGES. DEALERSHIP WILL NOT PROVIDE ANY REMEDY OR CAUSE FOR THIS PROBLEM.*AK SEAT BELTS STARTED GETTING HARD TO PULLOUT AND WOULD NOT ROLL BACK UP . *TC
99 FORD MUSTANG GT OTH FRONT SEATBELTS DO NOT RETRACT BACK INTO REEL. NEED TO BE FED BACK INTO REEL.AR STALLS SOMETIMES FOR NO REASON ON HIGHWAY.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
99 FORD MUSTANG GT OTH FRONT SEATBELTS DO NOT RETRACT BACK INTO REEL. NEED TO BE FED BACK INTO REEL.AR STALLS SOMETIMES FOR NO REASON ON HIGHWAY.*AK
BATTERY WAS CHARGING BECAUSE AMP WAS DRAINING THE BATTERY. VEHICLE WOULD HAVE TO BE JUMPED. DEALER REPLACED AMP, AND THEY SAID IT WAS A DESIGN FLAW. VEHICLE WOULD GET STUCK IN REVERSE. PROBLEM WAS INTERMITTENT. MANAGEMENT A DEALERSHIP SAID IT WILL HAPPEN TIME TO TIME.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
THE INCIDENT OCCURRED WHILE DRIVING ON MY WAY TO WORK, ABOUT A BLOCK AWAY FROM MY RESIDENCE. THE SEAT BACK JUST UNEXPECTEDLY FELL TO A FULL RECLINE AGAINST THE BACK SEAT. I WAS ABLE TO DRIVE THE CAR BACK TO MY RESIDENCE SO I COULD EVALUATE WHAT HAD HAPPENED. I TRIED TO VISUALLY SEE IF I COULD IDENTIFY THE PROBLEM BY TRYING TO REPOSITION THE SEAT. I ENDED UP REMOVING THE BLACK PLASTIC COVER, WHICH IS FASTENED OVER THE LEVER/LATCH ASSEMBLY, TO EXPOSE THE INTERNAL MECHANISM OF THE LEVER/LATCH ASSEMBLY ON THE RECLINING SEAT BACK. UPON REMOVING THE PLASTIC COVER, I WAS ABLE TO IDENTIFY A LOOSE BOLT IN THE MECHANISM. I WAS ABLE TO PULL THE BOLT OUT OF THE MECHANISM WITHOUT UNSCREWING IT. THE BOLT LITERALLY SLID STRAIGHT OUT. AS I INSPECTED THE LOCATION WHERE THE BOLT WAS SUPPOSED TO FASTEN INTO, I NOTICED THAT THERE WAS STILL A REMAINING PORTION OF THE BOLT LEFT IN THE MECHANISM. THE BOLT, WHICH FASTENS THE LATCH/LEVER SYSTEM OF THE RECLINING (SEAT BACK) PORTION OF THE FRONT DRIVER'S SEAT, ESSENTIALLY SHEARED IN HALF. THIS CAUSED THE RECLINING (SEAT BACK) PORTION OF THE FRONT DRIVER'S SEAT TO FALL AWAY FROM ITS UPRIGHT POSITION. WITHOUT THE BOLT FASTENED INTO THE LATCH/LEVER ASSEMBLY WHICH ALLOWS DRIVER TO MANIPULATE POSITION OF SEAT BACK THE SEAT BACK IS NOT ABLE TO BE POSITIONED UPRIGHT, ULTIMATELY MAKING DRIVING IMPOSSIBLE. BASICALLY, THE SEAT BACK SWIVELS LOOSELY FROM THE STEERING WHEEL TO THE BACK SEAT AND CANNOT BE SET SECURELY IN AN UPRIGHT DRIVABLE POSITION. THE BOLT IN QUESTION IS A M10 WITH 1.5MM PITCH (METRIC 10), WHICH IS CLOSE IN SIZE TO A 3/8 STANDARD BOLT. I HAVE ONLY OWNED THE CAR FOR 5 YEARS AND 4 MONTHS (I PURCHASED IT IN APRIL OF 1999). THIS IS A SERIOUS PROBLEM THAT COULD HAVE RESULTED IN SERIOUS INJURY AND OR DEATH. THE LOCAL RCHASED THE VEHICLE WOULD DO NOTHING TO HELP ME REMEDY THIS PROBLEM AND DID NOTHING TO RECOGNIZE THE SERIOUSNESS OF THIS KIND OF FAILURE. I WAS FORCED TO FIX THE SEAT ON MY OWN. *AK
THERE WAS A SERIOUS MALFUNCTION IN THE DRIVERS SEAT ON MY 1999 FORD MUSTANG GT THAT COULD HAVE EASILY CAUSED AN ACCIDENT. I WAS DRIVING DOWN THE HIGHWAY IN LAS VEGAS RETURNING FROM WORK WHEN WITHOUT ANY WARNING, THE MECHANISM THAT HOLDS THE SEAT BACK UP FAILED AND THE SEAT BACK FAIL BACK ON THE REAR SEAT. LUCKILY, I HAD A FIRM GRIP ON THE STEERING WHEEL AND WAS ABLE TO AVOID AN ACCIDENT. I HAD NEVER HAD PROBLEMS WITH THIS SEAT BEFORE, AND IT WAS SUBJECT TO NORMAL WEAR AND TEAR. WHEN I CONTACTED FORD, THEY SAID THAT IT WAS NOT THEIR PROBLEM. WAS OUT OF WARRANTY SO THEY WOULD NOT DO ANYTHING ABOUT IT. I AM VERY CONCERNED THAT SUCH A FAILURE COULD EASILY RESULT IN A LOSS OF CONTROL OF ANOTHER MUSTANG WITH A SIMILAR SEAT, RESULTING IN INJURIES AND FATILITIES.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
ACCIDENT HEAD ON AND THEN ROLLED ONCE AND AIRBAGS DIDN'T DEPLOY. *JB
MY SON WAS INVOLVED IN AN ACCIDENT WITH OUR 1999 MUSTANG GT. THE VEHICLE HAS 35,000 MILES ON IT. VIN # [XXX]. MY SON 'T-BONED' A VEHICLE AT APPROXIMATELY 30-35 MPH. OUR VEHICLE SUSTAINED $8000 IN FRONT END DAMAGE. NEITHER THE DRIVERS OR PASSENGERS AIR BAG DEPLOYED. MY SON AND HIS PASSENGER WERE TRANSPORTED BY AMBULANCE TO THE HOSPITAL WITH NECK AND BACK PAIN. THE POLICE AND AMBULANCE DRIVER BOTH SAID THE AIR BAGS SHOULD HAVE DEPLOYED BASED ON THE SEVERITY OF THE CRASH. *NLM INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
THIS DOESN'T HAPPEN ALL THE TIME, BUT SOMETIMES WHEN I PUT MY TURN SIGNAL ON IN MY 1999 MUSTANG GT, MY WINDSHIELD WIPERS WILL COME ON. IF I GIGGLE THE HANDLE FROM THE OPPOSITE WAY I WAS TURNING, IT WILL STOP. SOME DAYS IT WILL ONLY DO IT ONCE, AND OTHERS IT DOES IT ALMOST NON STOP WHEN I HAVE THE CAR ON. IT IS A VERY ANNOYING MALFUNCTION, AND HAS COST ME IN REPLACING MY WINDSHIELD WIPERS NUMEROUS TIMES BECAUSE OF THEM RUNNING ON A DRY WINDSHIELD ALL THE TIME. I TALKED TO THE LOCAL FORD STORE HERE, AND THEY TOLD ME THAT THERE WAS A BULLETIN ON IT, BUT NEVER ANY RECALL. I DIDN'T FIND ANYTHING IN YOUR SERVICE BULLETINS, AND I REFUSE TO PAY THE $250 DOLLARS THEY TOLD ME IT WOULD COST TO REPLACE IT.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
REAR END HAS FAILED ON VEHICLE TWO TIMES WITHIN 4 YEARS. AFTER 1 YEAR, BEGIN TO HEAR A GRINDING SOUND COMING FROM THE REAR END. THE SECOND INCIDENT, I HEARD A SCRUBBING SOUND COMING FROM THE REAR END.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
THIS PAST MAY, AFTER DRIVING A 1999 FORD MUSTANG CONVERTIBLE 50,000 MILES IT WAS INADVERTENTLY DISCOVERED THAT THE FRONT LEFT SUSPENSION SYSTEM HAD ONLY ONE OF TWO BOLT HOLDING THAT ENTIRE SYSTEM TO THE FRAME OF THIS CAR. IT APPEARS THAT THIS 4 INCH BOLT WAS NEVER FASTENED TO THE VEHICLE ALTHOUGH THIS CAR WAS INSPECTED A DOZEN TIMES BY THE DEALER. THIS APPARENTLY DANGEROUS DEFECT WAS DISCOVERED BY AN INDEPENDENT BRAKE SHOP NOT FORD. SINCE MAY OF 2005 THIS VEHICLE HAS BEEN IN STORAGE AWAITING SOME ANSWER BY FORD; NOT UNTIL FOLLOW-UP CALLS WERE RECENTLY PLACED TO FORD DID FORD RESPOND. FORD'S ONLY RESPONSE TO COMPLAINTS ABOUT THIS IS TAKE IT TO THE DEALER TO BE INSPECTED, THE SAME DEALER THAT INSPECTED IT A DOZEN TIMES. FORDS APPARENT LACK OF CONCERN IS TROUBLING. ESPECIALLY IF THIS IS A DANGEROUS VEHICLE TO DRIVE. IN MAY OF 2005, FORD WAS IMMEDIATELY CONTACTED AND ASKED ABOUT POSSIBLE STRUCTURAL DAMAGE GIVEN THE STRESS TO THE REMAINING STEEL COMPONENTS THAT WERE ATTACHED TO THE FRAME. TWO FOLLOW UP CALLS WERE IGNORED; A LETTER TO WM. C. FORD WAS IGNORED. AS FORD'S RESPONSE IS AWAITED, THIS VEHICLE HAS BEEN PLACED IN STORAGE IN THAT IT APPEARS TO BE A DANGER TO DRIVE. NOT KNOWING WHETHER THIS IS A FLUKE OR NOT, YOUR OFFICE IS BEING CONTACTED. GIVEN THE POTENTIAL PROBLEMS IF THIS IS NOT AN ISOLATED INCIDENT, YOUR OFFICE'S INVESTIGATORS ARE WELCOME TO INSPECT THIS VEHICLE BEFORE IT IS FIXED BY A COMPANY OTHER THAN FORD. YOUR RESPONSE IS WELCOME, THANK YOU. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
DT: THE SPARE TIRE IN THE TRUNK OF THE VEHICLE H BLEW UP. THE VEHICLE WOULD NOT START BECAUSE THE TIRE CAUSED THE TRIP WIRE TO SHUT OFF THE FUEL. AFTER CONSUMER'S HUSBAND PUSHED A RESET BUTTON THE VEHICLE STARTED. THE VEHICLE WAS A CONVERTIBLE. THE CONVERTIBLE TOP WAS PULLED BACK ON THE LEFT SIDE BY THE EXPLOSION, AND THE TRUNK LID WAS PUSHED. BEFORE THERE WAS A RATTLING NOISE IN THE TRUNK AND THE CONSUMER TOOK THE TIRE OUT. AFTER CLEANING THE TRUNK OUT SHE PUT THE TIRE BACK IN, AND HAD NOT USED IT. A WEEK LATER IT BLEW OUT. THE CONSUMER HAD THE VEHICLE SINCE MAY 2005. SHE WAS UNSURE IF IT WAS USED BY THE PREVIOUS OWNER. THE CONSUMER HAS NOT CHANGED ANYTHING IN THE TRUNK AREA SINCE THIS HAPPENED. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
BATTERY WAS CHARGING BECAUSE AMP WAS DRAINING THE BATTERY. VEHICLE WOULD HAVE TO BE JUMPED. DEALER REPLACED AMP, AND THEY SAID IT WAS A DESIGN FLAW. VEHICLE WOULD GET STUCK IN REVERSE. PROBLEM WAS INTERMITTENT. MANAGEMENT A DEALERSHIP SAID IT WILL HAPPEN TIME TO TIME.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .