1999 FORD MUSTANG GT Engine And Engine Cooling Problems

SPARK PLUG BLEW OUT OF AN ALREADY FIXED HEAD!!! *TR

CAR LUNGES IN DRIVE OR REVERSE BEFORE ACCELERATOR IS DEPLOYED. *TR

Mileage: 49,675

HEARING A EXHAUST LEAK LIKE NOISE AND AROUND THE SPARK PLUG THERE IS AIR COMING OUT OF THE HEADS CAUSING THEM TO EVENTUALLY BLOW OUT AND I WILL BE VERY UPSET IF FORD DON'T REPLACE IT SINCE IT IS HAPPENING TO ALOT OF CARS!!! *TR

Mileage: 105,200

SLOWING DOWN FOR A STOP SIGN WHEN THE 3 RD SPARK PLUG BLEW OUT ON THE PASSENGER SIDE OF MY 1999 MUSTANG GT WITH A 4.6 V8 . IT ALSO DESTROYED THE COIL ON TOP OF THE PLUG. *TR

Mileage: 115,000

SLOWING DOWN FOR A STOP SIGN WHEN THE 3 RD SPARK PLUG BLEW OUT ON THE PASSENGER SIDE OF MY 1999 MUSTANG GT WITH A 4.6 V8 . IT ALSO DESTROYED THE COIL ON TOP OF THE PLUG. *TR

Mileage: 115,000

I HAVE EXPERIENCED A SPARK PLUG BLOWOUT IN MY 1999 FORD MUSTANG WITH 4.6L V8. I HAVE SINCE READ ABOUT THE VULNERABILITY OF THESE ENGINES TO EXPERIENCE SPARK PLUG BLOWOUT. THE FIRST BLOWOUT WAS EXPERIENCED PRIOR TO CHANGING ANY SPARK PLUGS AND THEREFORE CAN NOT BE DEEMED TO BE A CAUSE OF IMPROPER TORQUING, ETC. A HELI-COIL WAS USED TO REPAIR THE SPARK PLUG BLOWOUT, ONLY TO HAVE THE SPARK PLUG BLOWN OUT AGAIN AT A LATER DATE. THIS TIME THE CYLINDER HEADS WERE DAMAGED AND REQUIRED REPLACEMENT. THE CYLINDER HEAD REPLACEMENT WAS A MAJOR INCONVENIENCE BOTH IN COST OF REPAIR, AND IN THE SEVERITY OF THE MALFUNCTION. I AM VERY DISTURBED TO HEAR THE NUMBER OF COMPLAINTS AND NUMBER OF OTHER INDIVIDUALS WHO HAVE EXPERIENCED THIS SAME PROBLEM WITHOUT ANY PROPER RECOGNITION OR ACTION BY FORD. I AM FILING THIS COMPLAINT TO DRAW MORE ATTENTION TO THIS ISSUE AND PERHAPS GET SOME FEDERAL ACTION AGAINST FORD FOR THIS ISSUE. I BELIEVE THAT OWNERS LIKE ME SHOULD BE COMPENSATED FOR THE REPAIRS DONE AND THE STRESS/INCONVENIENCE ENCOUNTERED DUE TO THIS MANUFACTURER DEFECT. *TR

Mileage: 60,000

1999 FORD MUSTANG GT APPEARS TO HAVE CRACK IN PLASTIC INTAKE SYSTEM, AND IS LOSING COOLANT. PREVIOUSLY OWNED A 1997 MUSTANG GT, AND THIS WAS REPLACED UNDER A RECALL. I CAN NOT FIND ANY INFO RELATING TO THE SAME PROBLEM WITH THE 1999. *TR

Mileage: 91,833

TL*THE CONTACT OWNS A 1999 FORD MUSTANG GT. THE CONTACT DETECTED A FAINT BURNING SMELL WHILE DRIVING THE VEHICLE. ONCE THE VEHICLE STOPPED, THE SMELL INTENSIFIED. THE CONTACT DISCOVERED THAT THE MANIFOLD WAS LEAKING COOLANT. THE DEALER WAS NOTIFIED AND THE CONTACT IS AWAITING A RESPONSE. THE CURRENT MILEAGE IS 29,500 AND FAILURE MILEAGE WAS 29,000.

Mileage: 29,000

THERE WAS A SLIGHT TICKING NOISE COMING FROM ENGINE BAY THAT I THOUGHT WAS AN EXHAUST LEAK. EVENTUALLY THE SPARK PLUG BLEW OUT OF THE HEAD STRIPPING THE TOP THREADS OUT OF THE ALUMINUM HEAD. IN ORDER TO FIX THE CAR, I HAD TO HAVE A LOCAL SHOP HELICOIL THE HEAD TO ADD THREADS TO THE HEAD. *NM

Mileage: 123,850

CAR WAS LEAKING COOLANT OUT OF THE THERMOSTAT HOUSING. WHEN I WENT TO REPLACE THE THERMOSTAT AND O-RING GASKET, I DISCOVERED THAT THE LEDGE THAT THE O-RING SITS ON HAD BROKEN OFF AND FELL INTO THE INTAKE MANIFOLD. THE THERMOSTAT COULD NOT BE PUT IN CORRECTLY WITHOUT COOLANT SPILLING EVERYWHERE. THE ONLY REMEDY WAS TO REPLACE A PLASTIC INTAKE MANIFOLD THAT COSTS 800+ DOLLARS. *JB

FORD SPARK PLUG BLOW OUT ON 1999 FORD MUSTANG GT 4.6 L MOTOR. *NM

Mileage: 50,000

(7/23/06) 1999 FORD MUSTANG GT, 4.6L BLEW SPARK PLUG FOR THE THIRD TIME NOW. THE FIRST TIME WAS BACK IN 2005 WHILE DRIVING ON THE 15 FREEWAY HEADING SOUTH AT ABOUT 8:00 PM. STOP TO GET GAS AND UPON STARTING THE VEHICLE TO CONTINUE MY WAY HOME IT MADE LOUD POP AND THEN CONTINUED TO POP, POP, POP. AT FIRST I THOUGHT I HAD AN EXHAUST MANIFOLD PROBLEM, BUT UPON THE REPAIR SHOP INSPECTION OF THE VEHICLE THEY NOTED THAT THE NUMBER ONE SPARK PLUG HAD BLEW OUT OF THE PISTON. THEY REPAIRED IT FOR ABOUT $ THE SECOND TIME WAS ABOUT 6 MONTHS AGO WHEN THE NUMBER TWO SPARK PLUG (ALL THIS BEING ON THE DRIVERS SIDE) BLEW OUT. NO DAMAGE TO THE THREADS AND A NEW SET OF SPARK PLUGS WERE PUT INTO THE VEHICLE ALL AROUND. THEN ON SUNDAY EVENING, JULY 23RD 2006, THE SAME NUMBER 2 SPARK PLUG BLEW OUT AGAIN; THIS TIME TAKING ALL THE THREADS WITH IT. I HAD TO HAVE THE CAR TOWED TO MY PLACE OF RESIDENCE AND NOW I AM IN THE PROCESS OF FINDING A REPAIR SHOP TO RE-THREAD THE PISTON. I AM SURE THEY WILL HAVE TO GET A NEW COIL AS WELL; SINCE IT BROKE OFF AT THE PLACE OF WERE IT IS BOLTED TO THE HEAD. I CALLED FORD MOTOR COMPANY ON TUESDAY, JULY 25TH 2006 AND SPOKE TO CUSTOMER SERVICE REP. AND BASICALLY WAS GIVEN A NOT OUR PROBLEM ATTITUDE. THIS IS APPALLING THAT SUCH A LARGE COMPANY AS FORD WILL NOT ACKNOWLEDGE THE PROBLEM AND FIX IT! I AM A SINGLE MOTHER AND CAN NOT AFFORD TO HAVE MY CAR FIXED AT OVER $3000.00! I AM NOT HAPPY WITH FORD AND WILL NOT BUY FROM THEM AGAIN. I WAS A HUGE FORD FAN; WHEN ANYONE WOULD TRY TO DISCREDIT THEM I WOULD BACK THEM ALL THE WAY! NOT ANY MORE THEY DON'T BACK THEIR CUSTOMERS. I GUESS FORD MOTOR COMPANY HAS NO LOYALTY TO THEIR CUSTOMERS WHAT SO EVER! SO I SHALL NO LONGER BE LOYAL TO THEM. I WILL BE BUYING A CHEVY OR OTHER VEHICLE THAT HAS NO ASSOCIATION WITH THE FORD NAME, AS SOON AS THIS IS FIXED. SHE'S BEING TRADED IN ASAP! *JB

Mileage: 92,400

(7/23/06) 1999 FORD MUSTANG GT, 4.6L BLEW SPARK PLUG FOR THE THIRD TIME NOW. THE FIRST TIME WAS BACK IN 2005 WHILE DRIVING ON THE 15 FREEWAY HEADING SOUTH AT ABOUT 8:00 PM. STOP TO GET GAS AND UPON STARTING THE VEHICLE TO CONTINUE MY WAY HOME IT MADE LOUD POP AND THEN CONTINUED TO POP, POP, POP. AT FIRST I THOUGHT I HAD AN EXHAUST MANIFOLD PROBLEM, BUT UPON THE REPAIR SHOP INSPECTION OF THE VEHICLE THEY NOTED THAT THE NUMBER ONE SPARK PLUG HAD BLEW OUT OF THE PISTON. THEY REPAIRED IT FOR ABOUT $ THE SECOND TIME WAS ABOUT 6 MONTHS AGO WHEN THE NUMBER TWO SPARK PLUG (ALL THIS BEING ON THE DRIVERS SIDE) BLEW OUT. NO DAMAGE TO THE THREADS AND A NEW SET OF SPARK PLUGS WERE PUT INTO THE VEHICLE ALL AROUND. THEN ON SUNDAY EVENING, JULY 23RD 2006, THE SAME NUMBER 2 SPARK PLUG BLEW OUT AGAIN; THIS TIME TAKING ALL THE THREADS WITH IT. I HAD TO HAVE THE CAR TOWED TO MY PLACE OF RESIDENCE AND NOW I AM IN THE PROCESS OF FINDING A REPAIR SHOP TO RE-THREAD THE PISTON. I AM SURE THEY WILL HAVE TO GET A NEW COIL AS WELL; SINCE IT BROKE OFF AT THE PLACE OF WERE IT IS BOLTED TO THE HEAD. I CALLED FORD MOTOR COMPANY ON TUESDAY, JULY 25TH 2006 AND SPOKE TO CUSTOMER SERVICE REP. AND BASICALLY WAS GIVEN A NOT OUR PROBLEM ATTITUDE. THIS IS APPALLING THAT SUCH A LARGE COMPANY AS FORD WILL NOT ACKNOWLEDGE THE PROBLEM AND FIX IT! I AM A SINGLE MOTHER AND CAN NOT AFFORD TO HAVE MY CAR FIXED AT OVER $3000.00! I AM NOT HAPPY WITH FORD AND WILL NOT BUY FROM THEM AGAIN. I WAS A HUGE FORD FAN; WHEN ANYONE WOULD TRY TO DISCREDIT THEM I WOULD BACK THEM ALL THE WAY! NOT ANY MORE THEY DON'T BACK THEIR CUSTOMERS. I GUESS FORD MOTOR COMPANY HAS NO LOYALTY TO THEIR CUSTOMERS WHAT SO EVER! SO I SHALL NO LONGER BE LOYAL TO THEM. I WILL BE BUYING A CHEVY OR OTHER VEHICLE THAT HAS NO ASSOCIATION WITH THE FORD NAME, AS SOON AS THIS IS FIXED. SHE'S BEING TRADED IN ASAP! *JB

Mileage: 92,400

HTTP://WWW.CONSUMERAFFAIRS.COM/AUTOMOTIVE/FORD_MANIFOLDS.HTML I FOUND INFO WITH THE ABOVE LINK. WE HAVE A 1999 35TH ANN. EDITION MUSTANG . THE PLASTIC MANIFOLD CRACKED AND SINCE IT IS WITHIN 7 YEARS OF PURCHASE THE DEALER TOWED AND IS FIXING FREE WITH THE INFO FROM THE LINK ABOVE. *JB

PLASTIC INTAKE MANIFOLD CRACKED AT THERMOSTAT HOUSING, THUS ALLOWING ANTI-FREEZE TO LEAK ONTO THE ENGINE. I MUST PAY FOR THE PARTS AND LABOR TO REPLACE THE INTAKE MANIFOLD AT + $350.00 FOR TOTAL REPAIR OF PROBLEM THAT FORD HAS BEEN AWARE OF FOR YEARS !!! *JB

99 FORD MUSTANG GT. 4.6L ENGINE. SPARK PLUG BLEW OUT. DEFECTIVE HEAD. COST ME $3000. I UNDERSTAND A CA LAWYER HAS FILED A LAWSUIT OR COMPLAINT AGAINST THIS DEFECT. I WANT IN ON THE ACTION. *JB

Mileage: 37,500

MY CAR IS LOSING COOLANT THROUGH A CRACK IN THE PLASTIC INTAKE MANIFOLD. FORD WILL NOT REPAIR IT UNDER ANY WARRANTY. IT IS A DESIGN FLAW THAT FORD SHOULD TAKE CARE OF! ALSO MY CAR SURGES IN RPMS WHEN FIRST STARTING AND SHIFTING INTO DRIVE,,,VERY DANGEROUS!!!!! *NM

Mileage: 75,000

1) A TICKING NOISE BEGAN COMING FROM THE UPPER MIDDLE OF THE ENGINE. AFTER A MONTH, 2) THE TICKING BECAME A 'TAPPING' THAT BECAME INCREASINGLY LOUDER. ENROUTE TO HAVE IT EXAMINED BY A LOCAL PERFORMANCE SHOP, THERE WAS A LOUD SOUND SIMILAR TO A GUN SHOT AND AN INSTANT LOSS IN POWER. THIS OCCURRED AT 2000 RPM. UPON EXAMINATION, THE SPARK PLUG HAD BEEN EJECTED FROM THE 2ND FROM THE LAST CYLINDER ON THE PASS. SIDE BANK. SUCH FORCE WAS EXHIBITED THAT THE MOUNTING TAB OF THE IGNITION COIL WAS BROKEN AND THE COIL WAS SHATTERED. UPON EXAMINATION OF THE HEAD ITSELF, THE PLUG THREADS WERE COMPLETELY STRIPPED. 3)TRUE BLUE PERFORMANCE, A MUSTANG SPECIALTY SHOP, EXAMINED THE PARTS AND CONCLUDED THAT THE ONLY REMEDY VIABLE WAS TO REPLACE THE HEAD, PLUG, AND COIL. *JB

Mileage: 87,525

CRACK ON THE PLASTIC INTAKE MINFOLD AT THE THERMOSTAT HOUSING ALLOWING ANTI-FREEZE TO LEAK ON THE ENGINE. THE INTAKE MANIFOLD MUST BE REPLACED AT MY EXPENSE. FORD IS AWARE OF THIS PROBLEM AND HAS RECALLED THE FAULTY INTAKE MINIFOLDS ON ALL FLEET VEHICLES BUT REFUSES TO DO ANYTHING FOR PRIVATELY OWNED VEHICLES. THIS IS NOT RIGHT!!!

Mileage: 53,564

CRACK ON THE PLASTIC INTAKE MANIFOLD AT THE THERMOSTAT HOUSING ALLOWING ANTI-FREEZE TO LEAK ON THE ENGINE. THE INTAKE MANIFOLD MUST BE REPLACED AT MY EXPENSE. FORD IS AWARE OF THIS PROBLEM AND HAS RECALLED THE FAULTY INTAKE MANIFOLDS ON ALL FLEET VEHICLES BUT REFUSES TO DO ANYTHING FOR PRIVATELY OWNED VEHICLES. THIS IS NOT RIGHT!!!

Mileage: 53,564

I HAVE A CRACKED INTAKE MANIFOLD ON MY 1999 FORD MUSTANG GT WITH A 4.6 L ENGINE. IT HAVE GAINED KNOWLEDGE THAT THIS HAS BEEN A COMMON DEFECT ON THIS ENGINE SINCE THE 1996 MODEL YEAR ON ALMOST EVERY FORD MOTORS VEHICLE WITH THIS ENGINE SETUP. FORD HAS NOT ISSUED A RECALL ON THIS KNOWN DEFECTIVE PART AND DOES NOT ADMIT TO THIS PROBLEM IN THEIR VEHICLES. UPON CONTACTING THEIR CUSTOMER SERVICE, THEY WILL NOT OFFER ANY ASSISTANCE ON THE REPAIR THAT WILL COST THEIR INDIVIDUAL CUSTOMERS HUNDREDS OF DOLLARS TO REPAIR AND REPLACE. I FIND THIS UNACCEPTABLE FROM A COMPANY THAT MARKETS THEIR QUALITY TO THE AMERICAN PUBLIC WHILE NOT FESSING UP TO A MANUFACTURERS DEFECT THAT HAS BEEN KNOWN FOR AT LEAST SEVEN YEARS. * CB

Mileage: 43,195

CAR STALLS WHEN SLOWING TO A STOP AND HAS HAPPENED SEVERAL TIMES. TOOK THE CAR TO FORD AND CLEANED THE THROTTLE BODY AND REFLASHED THE COMPUTER. THE PROBLEM CAME BACK SEVERAL DAYS LATER AND CHANGED THE IDLE AIR CONTROL VALVE YET THE PROBLEM STILL ARISES. WHEN SLOWING TO A STOP THE RPM DROP TO 500 RPM AND THEN BOUNCED BACK UP TO AN IDLE AT 700 RPM. OTHER TIMES THAT IT WILL DROP BELOW 500 RPM, AND THE CAR STARTS TO STALL. *LA

Mileage: 56,650

1999 FORD MUSTANG GT- AUTOMATIC TRANSMISSION. ENGINE STALLS INSTEAD OF IDLING WHEN VEHICLE IS STARTED, COMES TO REST OR DURING LOW SPEED MANEUVERS. *NLM

Mileage: 60,000