There are 2 owner-reported fuel system complaints for the 2011 Mazda Mazda3in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The Baffle in my tank has broken loose for uncertain reasons. This seems to be a common problem with Mazda and has had a recall in the 2015 models even.
CAR WAS HARD TO START IN 2014..REPLACED THE SPARK PLUG .CLEAN THE MAF SENSOR AND AIR INTAKE .USED 89 GRADE GAS .NOTHING WAS CHANGE .CAR WAS NOISE FROM THE BACK IN 2016.DIDNT FIND OUT THE PROBLEM .THEN 2WEEKS AGO SOMETIMES CAR STARTED AND FAILED RIGHT AWAY .DO MATTER THE ENGINE WAS COLD OR WARM .TOOK IT TO DEALERSHIP .REPLACED FUEL PUMP .COSTED $988.CAR JUST GO BACK THE NORMAL FINALLY .SO THE FUEL PUMP HAD PROBLEM IN 2014.BUT JUST DIDNT DIE.FUEL PUMP SHOULD LAST LIFETIME WITH THE CAR .WE HAD SOME OLDER CAR LIKE 11YEARS .THERE IS NO PROBLEM WITH FUEL PUMP .THEY SHOULD RECALL IT .I SEEN A LOT PEOPLE HAVE SAME PROBLEM ONLINE .AND THEY DIDNT FIND OUT THE PROBLEM
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