2014 Mazda MAZDA3 Fuel/propulsion System Problems
NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How fuel/propulsion system ranks on this vehicle
Share of the 138 complaints citing each category; one complaint can cite several. Full breakdown on the 2014 Mazda MAZDA3 overview page.
What owners report
“Gas smell / leak from gas tank when more than 7/8 full. Seems to leak from the top. AEB frequently says disabled due to high…”NHTSA complaint 11576655 — filed 03/11/2024
“The gas tank leaked gas due to corrosion on the top of the tank at the fuel pump. Strong smell of gas fumes evident and…”NHTSA complaint 11547054 — filed 09/28/2023
“The car has a smell of fuel when filling the tank and for a long period following. My mechanic tells me the surface of the…”NHTSA complaint 11528643 — filed 06/24/2023
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Fuel/propulsion System complaints by year filed
Frequently asked questions
Does the 2014 Mazda MAZDA3 have fuel/propulsion system problems?
Fuel/propulsion System is the #4 most-reported problem area on the 2014 Mazda MAZDA3: 21 of 138 complaints on file (15.2%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2014 Mazda MAZDA3 have in total?
138 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 10 involved a crash, 1 involved a fire, 5 reported injuries, and none reported deaths.
What does NHTSA's fuel/propulsion system category include?
NHTSA assigns each complaint to standard component categories; this page reports the FUEL/PROPULSION SYSTEM category exactly as NHTSA defines and records it.
