There are 24 owner-reported fuel system complaints for the 2000 Ford Mustangin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2000 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING, THERE WAS AN ODOR OF FUEL PRESENT INSIDE VEHICLE AND FUEL WAS DISCOVERED TO BE LEAKING UNDER THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THAT THE FUEL FILLER LINE HAD CORRODED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 97,000. UPDATED 04/06/16*LJ; UPDATED 05/02/18*JB
FILLER NECK TUBE LEAKING DURING FUEL FILLUP. FILLER TUBE SEAL CRACKED IN HALF. UPON INSPECTION OF RUST DAMAGE TO FILLER TUBE, THE RUST WAS SO BAD THAT THE TUBE LITERALLY CRUMBLED IN HALF. *TR
WHILE FILING MY CAR WITH GAS, DROPS OF GAS WERE DRIPPING ONTO THE CONCRETE. I LOOKED UNDER MY CAR AND THE FUEL TANK FILLER TUBE AND GAS TANK GASKET ARE LEAKING FUEL DIRECTLY ONTO MY EXHAUST PIPE. HAD MY EXHAUST BEEN EXTREMELY HOT, MY CAR WOULD HAVE CAUGHT FIRE AND EXPLODED. PLEASE RECALL THIS. *TR
FUEL FILLER NECK LEAKS. THIS OCCURS DIRECTLY OVER THE HOT EXHAUST PIPE OF THE VEHICLE. THE GASOLINE DRIPS DIRECTLY ON THE EXHAUST PIPE UNDER THE BEND. AND NEXT TO THE GAS TANK. THIS IS A VERY DANGEROUS SITUATION AS I HAD A LONG WAY TO GO HOME AND DIDN'T HAVE ANY WATER TO WASH THE HOT PIPES OF FUEL. THE GAS CONTINUED TO DRIP ON THE PIPE MOST OF THE WAY HOME. MY KIDS COULD HAVE BEEN IN THE BACK SEAT IF THE CAR CAUGHT FIRE. I HAVE READ THAT THIS IS A COMMON PROBLEM ON 2000 MUSTANGS. THIS SHOULD BE A RECALLED PROBLEM. *TR
I WENT TO FILL UP MY CAR (GAS) AND I SMELLED MORE GAS THAN WHAT I WOULD CONSIDER NORMAL. I LOOKED ON THE GROUND UNDER THE CAR AND THERE WAS A POOL OF GAS, AND IT WAS LEAKING AS I WAS FILLING. I STOPPED FILLING THE TANK AND ASKED THE ATTENDANT FOR SOMETHING TO CLEAN UP THE GAS. WHEN I GOT THE CAR HOME, I LOOKED UNDERNEATH AND UPON CLOSE INSPECTION FOUND THE FILLER NECK WAS WHERE THE PROBLEM WAS. THERE IS A PIECE OF PLASTIC SURROUNDING THE FILLER NECK, WHICH HOLDS MOISTURE AND RUSTS THE METAL FILLER NECK. THIS IS THE SAME PROBLEM I HAD WITH ANOTHER CAR I OWNED!!! SAME YEAR. I ASKED SEVERAL PEOPLE I KNOW WHO OWN MUSTANGS, AND EACH AND EVERY ONE OF THEM HAD TO HAVE THE SAME PART REPLACED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! IF YOU SEARCH ONLINE, THERE ARE TONS OF ARTICLES AND COMPLAINTS ABOUT MUSTANGS FROM 99-2004 WITH THE SAME PROBLEM.! THIS IS SO DANGEROUS, HOW COME THIS HASN'T BEEN RECALLED? *TR
I WENT TO FILL UP MY GAS TANK AND AFTER 12 GALLONS SMELLED GAS EVERYWHERE AND NOTICED GAS RACING OUT FROM UNDER MY CAR. THERE HAD TO BE ATLEAST HALF A GALLON SURROUNDING MY SHOES AND IF THERE HAD BEEN A SPARK I WOULD HAVE BEEN BURNED TO DEATH. AFTER RESEARCHING THIS PROBLEM ON THE INTERNET I FOUND OUT THAT HUNDREDS OF OTHER PEOPLE THAT OWN MUSTANGS BETWEEN THE YEARS OF 1999 AND 2004 HAVE ALL HAD THE SAME PROBLEM WITH WHAT FORD CALLS A DEFECTIVE GAS NOZZLE GROMMET. NOT SOMETHING THE 1999-2004 MUSTANG IS A STRANGER TOO. I REMEMBER THE 1974 PINTO AND I OWNED ONE I REALLY AM UNCOMFORTABLE WITH THE THOUGHT THAT MY MUSTANG IS EVEN MORE PRONE TO EXPLOSIONS THEN MY OLD PINTO. PLEASE PAY ATTENTION TO THIS MATTER BEFORE IT BECOMES THE NEXT 1974 PINTO. PS: YES I DID HAVE A "MEMBER OF THE ANNUAL PINTO TAILGATE BBQ PARTY" BUMPER STICKER ON MY PINTO I WOULD RATHER NOT HAVE TO GET ONE OF THOSE STICKERS FOR MY 2000 MUSTANG CONVERTIBLE. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
I NOTICED A FUEL LEAK WHEN I FILLED UP MY TANK. IT WAS QUITE BAD! AND WAS A DEFINITE SAFETY RISK! I CHECKED UNDER CAR AND FOUND THE FUEL NECK HAS A PLASTIC COVER TO PROTECT FROM ROAD HAZARDS?? THAT PLASTIC COVER ALLOWS DIRT AND MOISTURE TO COLLECT AROUND THE FUEL NECK. THE NECK INSIDE WAS RUSTED COMPLETELY THROUGH. THERE IS ESSENTIALLY A 2 INCH HOLE IN THE FUEL NECK! I HAD TO REPLACE THE ENTIRE FUEL NECK TO FIX THE PROBLEM. I CHECKED ONLINE AND APPARENTLY THIS IS VERY COMMON WITH 1999 - 2004 MUSTANGS. IT'S ALSO VERY DANGEROUS SINCE GAS COMES POURING OUT OF THE BOTTOM OF THE CAR. *TR
MY GAS TANK BEGAN LEAKING FUEL BEFORE I DROVE IT IN THE FIRST PART OF 2011. NOT ONLY WAS THE GROMMET CORRODED BUT THE FILLER PIPE WAS LEAKING. I WAS UNAWARE OF THE LEAK IN THE PIPE BECAUSE OF THE PLASTIC TUBE AROUND IT AND WAS LED TO BELIEVE IT WAS EITHER JUST THE GROMMET OR THE TANK ITSELF. I GOT THE GROMMET REPLACED AND THEN THROUGH PROCESS OF ELIMINATION FOUND THAT THE PIPE NEEDS REPLACING AS WELL. THE REPLACEMENT PROCESS WAS SO EASY BECAUSE SO MANY PEOPLE HAVE HAD THE SAME ISSUE WITH MUSTANGS FROM '99-'04. THIS IS A DANGEROUS DEFECT BECAUSE THE GAS LEAK CAN CAUSE GAS VAPORS TO GET TRAPPED UNDERNEATH THE CAR AND IGNITE EASILY. GAS VAPORS ARE LIGHT BUT STILL HEAVY ENOUGH TO WHERE THEY WILL NOT DISPERSE COMPLETELY FROM UNDERNEATH THE CAR. GAS ALSO EVAPORATES VERY QUICKLY SO THIS COULD HAPPEN IN THE SHORT AMOUNT OF TIME IT TAKES TO FUEL YOUR CAR. EVERY FORD/MUSTANG FORUM I HAVE READ INDICATES THAT MUSTANGS TEND TO WEAR OUT THESE TWO PARTS TOO QUICKLY. THEY SHOULD BE RECALLED AND SUBSTITUTED WITH A BETTER PART (BOTH THE GAS TANK GROMMET AND FILLER PIPE). *TR
TL* THE CONTACT OWNS A 2000 FORD MUSTANG GT. THE CONTACT STATED THAT THE FUEL TUBE NET IS RUSTING OUT ON THE VEHICLE. THE CONTACT STATED THAT BECAUSE OF THE FAILURE, FUEL SPILLS OUT OF THE GAS TANK WHENEVER IT IS FILLED. THE DEALER HAD NOT INSPECTED THE VEHICLE, BUT STATED THAT THE TANKS ARE ON BACK ORDER BECAUSE OF THE HIGH NUMBER OF FAILURES. THE FAILURE MILEAGE WAS 82000 AND THE CURRENT MILEAGE WAS 83000.
WHEN FILLING UP WITH FUEL, GAS LEAKS OUT OF THE FILLER TUBE LEAVING A HUGE PUDDLE OF GASOLINE ON THE GROUND. THIS IS EXTREMELY DANGEROUS AND COULD CAUSE A FIRE. WHEN LOOKED AT, THE FILLER TUBE IS RUSTED OUT. FORD SHOULD ISSUE A RECALL ON THIS, BECAUSE IT IS SO DANGEROUS. *TR
EVERY TIME I PUT FUEL IN THE CAR, IT STARTS LEAKING OUT. IT LEAVES QUITE A BIG PUDDLE OF GAS ON THE GROUND. WHEN I STOP PUTTING GAS IN, THE LEAK STOPS. I DON'T BELIEVE I AM LOSING ANY AT THE GAS TANK, JUST WHEN FILLING UP. *TR
I HAVE WRITTEN TO FORD CONCERNING A FUEL LEAK ON MY 2000 MUSTANG. I WAS ADVISED TO TAKE IT TO MY DEALER TO DIAGNOSE THE PROBLEM. THE SERVICE TECHNICIAN INFORMED ME THAT THE FUEL FILLER NECK WAS RUSTED OUT AND HAD A HOLE IN IT DUE TO THE PLACEMENT OF A SHIELD ON THE TUBE. THE SHIELD HELD IN DIRT AND WATER WHICH ALLOWED IT TO RUST. IT WILL COST APPROXIMATELY $431.35 TO REPAIR. THIS PROBLEM WAS CAUSED BY A DESIGN FLAW BY FORD. IT IS EXTREMELY DANGEROUS. I CANNOT PUT GAS IN MY CAR WHEN MY CHILDREN ARE IN IT FOR FEAR THAT IT WILL CATCH ON FIRE. THE GAS JUST POURS OUT ONTO THE PAVEMENT. FORD NEEDS TO ISSUE A RECALL ON THIS IMMEDIATELY. I SHOULD NOT HAVE TO PAY FOR FORD?S MISTAKE. I HAVE A COPY OF THE INVOICE AS WELL AS THE REPAIR QUOTE FROM RAMEY FORD IN JOHNSON CITY,TN. I WILL FAX IT TO YOU IF YOU WISH. FORD HAS SENT ME AN EMAIL STATING THAT NOT ALL COMPLAINTS GET INVESTIGATED. THIS IS A SERIOUS SAFETY ISSUE. THESE CARS COULD POSSIBLY CATCH ON FIRE AND EXPLODE IF THIS PROBLEM IS NOT ADDRESSED. ALL MUSTANG OWNERS WHOSE CARS HAVE HAD THIS SHIELD PLACED ON THE FUEL FILLER TUBE NEED TO BE AWARE OF THIS SAFETY HAZARD BEFORE SOMEONE GETS SERIOUSLY INJURED OR KILLED. THIS ISSUE NEEDS TO BE INVESTIGATED AND FIXED IMMEDIATELY. I DON'T KNOW IF ANY OTHER MUSTANG OWNERS HAVE REPORTED THIS TO THE NHTSA BUT I HAVE SEEN POSTINGS FROM MUSTANG OWNERS ON SEVERAL INTERNET FORUMS COMPLAINING ABOUT THIS SAME ISSUE. PLEASE LET ME KNOW IF THERE IS ANY MORE INFORMATION THAT YOU NEED. *TR
MY MUSTANG DEVELOPED A FUEL LEAK AS THE RESULT OF THE FUEL TANK FILLER NECKS GROMMET FAILING. I INITIALLY SMELLED GAS AND AFTER FILLING UP THE TANK AND PARKING ON A HILL I NOTICE A LARGE SPOT OF GASOLINE ON THE PAVEMENT BELOW. *TR
TUBE FROM THE GAS NOZZLE HAS RUSTED AWAY UNDER THE PLASTIC TUBE THAT WAS WRAPPED AROUND THE STEEL TUBE CAUSING GAS TO STREAM OUT OF TUBE AS THE GAS TANK IS BEING FILLED. *JB
FILLED GAS TANK ON A 2000 FORD MUSTANG GT, FUEL WAS LEAKING NECK FILLER INLET SIDE, WAS NOT AWARE LEAKING FUEL TILL MY NEIGHBORS NOTIFIED ME. CALLED FORD DEALERSHIP TO ASK IF A THERE WAS A RECALL, NO RECALL AT ALL. TOOK VEHICLE FOR SERVICE AND NECK FILLER WAS REPLACED. THEY HAD NO CLUE WHAT CAUSED A NECK FILLER TO GO BAD. FORD SHOULD LOOK INTO THIS FOR SAFETY REASONS. *NM
IAC VALVE, WHEN THE CAR WILL START BUT WILL NOT IDLE, LOOKING AT EVERYONE'S TROUBLE WITH THIS ISSUE, MAKES ME WONDER WHY FORD MOTOR COMPANY WILL NOT GROW BALLS AND MAKE IT RIGHT. I WANTED A MUSTANG BUT THE FORD NAME WILL NEVER BE PARKED IN MY DRIVE WAY AGAIN. MR H. FORD WOULD HANG HIS HEAD DOWN OVER THIS ON. *JB
I PURCHASED A 2000 MUSTANG GT. WHEN COLD, AND PUTTING THE VEHICLE IN DRIVE OR REVERSE, IT WILL SUDDENLY JUMP FORWARD OR REVERSE DEPENDING ON IF YOUR IN REVERSE OR DRIVE. IT IS IF IT "GIVES" ITSELF GAS. I TRIED CONTACTING FORD AND THEY SAID THERE WAS A PROBLEM, BUT NOT SOMETHING THAT THEY WERE "PREPARED" TO DEAL WITH AT THIS TIME. THIS IS A SAFETY HAZARD THAT IF SOMEONE IS NOT PREPARED, WILL CAUSE THEM TO GO INTO TRAFFIC, HIT A YOUNG CHILD OR GAS PUMP. THIS IS NOT ISOLATED, I HAVE SPOKEN TO SEVERAL PEOPLE THAT HAVE HAD THE SAME PROBLEM. MY VEHICLE DOES THIS OFTEN, AND IF MY WIFE IS DRIVING IT, I HAVE TO REMIND HER TO BE CAREFUL. *AK
WHEN FILLING GAS THE GAS POURS OUT OF THE FILL PIPE BEFOR IT HAS SHUT OFF THE PUMP. THIS HAS HAPPENED AT MOST PUMPS THAT I HAVE VISITED. THERE IS NO WAY TO TELL YOUR ARE NEAR THE TOP OF THE TANK. THE GAS JUST SPILLS OUT FOR A FEW SECONDS. COULD CAUSE FIRES, ENVIROMENTAL DAMAGE AND DAMAGE TO PAINT ON CARS.
ENGINE DIED AS APPROACHING STOP SIGN WHILE CLUTCH PEDAL WAS DEPRESSED. HAS OCCURRED 5-6 TIMES, USUALLY WHEN TRAVELING UP AN INCLINE.*AK
WHENEVER I TRY AND FUEL THE CAR THE NOZZLE CUTS OFF. THIS MEANS I HAVE TO FILL CANS AND THEN TRANSFER FUEL TO THE TANK WITH A FUNNEL. *AK
Showing 1–20 of 24 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