There are 1 owner-reported fuel system complaints for the 2003 Porsche Boxsterin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TOOK MY PORSCHE BOXSTER TO THE LOCAL PORSCHE DEALER FOR AN OIL CHANGE. THEY CALLED ME BACK AND SAID MY CAR HAD A GASOLINE FUEL LEAK AND NEEDED A REPLACEMENT FUEL LEVEL SENSOR IT WAS CRACKED AND LEAKING FUEL.. THE SERVICE ORDER AT PICKUP SAID MECHANIC NOTED FUEL DRIPPING FROM GAS TANK...NOTED LEAKING FROM CRACKS IN THE SENDING UNIT WHERE THE PRESSURIZED FUEL OUTLET IS, REPLACED SENDING UNIT AND SEAL, ALSO NOTED ELECTRICAL CONNECTOR SEAL SWOLLEN FROM FUEL CONTAMINATION. I ASKED THE SERVICE MANAGER IF THIS HAD BEEN REPORTED TO THE NHTSA AND HE SAID NO, WHY SHOULD THEY. I EXLPLAINED THIS WAS AN EXTREME SAFETY HAZARD INVOLVING A FUEL LEAK THAT COULD HAVE SERIOUS LIFE OR DEATH CONSEQUENCES. I HAVE THE REPLACED UNIT AND PICTURES AS I REQUESTED THIS UPON PICKING UP THE VEHICLE. I WAS CHARGED $628.58 FOR REPLACING FAULTY FUEL LEVEL SENSOR(SENDING UNIT). I HAVE A COPY OF THE BILL WITH MECHANIC'S COMMENTS. ALSO PICS OF THE FAULTY UNIT ON MY CELL PHONE.
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