There are 2 owner-reported engine complaints for the 2010 Mazda Mazda6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
FUEL TANK ASSEMBLY ⁃ MY VENT LINE WAS CLOGGED TO WHERE MY FUEL TANK CREATED A LEAK & THEN FUEL TANK COLLAPSED WHILE I WAS DRIVING . I DROVE MY CAR FOR 2 DAYS WITHOUT KNOWING & DID NOT REALIZE IT UNTIL I WAS FILLING UP GAS INTO MY CAR & I NOTICED THE GAS LEAKING PROFUSELY . I TOOK MY CAR TO THE DEALERSHIP, IN WHICH I DISCOVERED THAT MY FUEL TANK ASSEMBLY WAS INSTALLED IMPROPERLY.
WHEN STOPPED AT A STOP LIGHT VEHICLE WOULD BEGIN TO RAISE IN TEMPERATURE AND A/C WOULD SHUT OFF. THIS HAPPENED SEVERAL TIMES. BROUGHT VEHICLE TO DEALER AND WAS TOLD THEY COULDN'T DO ANYTHING UNLESS THEY SAW THE VEHICLE HAVE THE PROBLEM. *TR
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 26, 2026