2012 Mazda Mazda3 fuel system problems
The 2012 Mazda Mazda3 has 22 fuel system complaints filed with NHTSA — 7% of the year's total, and up sharply from the prior model year.
22
Fuel System complaints
7%
Share of year
0
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“UPON TURNING OFF THE ENGINE, THE EXHAUST FUME SMELLS LIKE ROTTEN EGG SMELL. THE MAZDA DEALER SAID THAT THERE IS NOTHING THEY CAN DO BECAUSE THERE IS NOT A RECALL ON THE CATALYTIC CONVERTER. THE MAZDA DEALER SUGGESTED USING ONLY SHELL GAS. THE MAZDA DEALER ALSO REPORTED THAT THERE IS NOT ENOUGH…”
Common questions
How many fuel system complaints does the 2012 Mazda Mazda3 have?
NHTSA has 22 complaints about the 2012 Mazda Mazda3 fuel system — 7% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.