2015 Mazda MAZDA6 Fuel system Problems
- Complaints
- 4about this part
- Share
- 7%of 60 total for the year
- Median mileage
- 32,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the fuel system of the 2015 Mazda MAZDA6, 7% of the 60 complaints for this model year. Where a mileage was given, the median is 32,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Was following a car and came up to a stop light. I depressed brake pedal and felt some resistance but car would not stop. Felt like the brakes were being bled off by perhaps computer control. I switched into a right hand turn lane that was clear, car still not stopping. Shifted into neutral, and engine started to rev up perhaps to 4500 RPM or so, then engine went back to idle on its own. The car had stopped and I put it in park. We then turned right and cautiously proceeded home, without a further problem. …”
NHTSA complaint #10703622, filed 2015-04, 4,500 miles“I've owned this car for about 6 months. I usually buy gas by the dollar amount, but did a complete complete fill up for the first time with this vehicle. After driving away then parking at home, I noticed a heavy gasoline smell and checked underneath the car. There was a constant drip (every 15 sec or so) coming from underneath, near the rear driver's side wheel. I now have a puddle. I'm afraid to drive it. What if someone flicks a cigarette and it catches fire while parked?! My mechanic says that this is not normal after a complete full up, and should never happen.”
NHTSA complaint #11051374, filed 2017-11, 32,000 miles“The contact owns a 2015 Mazda Mazda6. The contact stated that after refueling, the odor of fuel was present inside and outside the vehicle. The contact stated that there was fuel leaking underneath the rear driver's side of the vehicle. The contact stated that the failure occurred whenever there was more than 3/4 tank full of fuel in the fuel tank. The cause of the failure was not yet determined. The local dealer and manufacturer were not yet notified of the failure. The failure mileage was 90,000.”
NHTSA complaint #11630400, filed 2024-12, 90,000 milesRelated service bulletins
- 10202695Oct 13, 2021Ethanol is becoming a common additive in gasoline. Gasoline containing ethanol is likely available at your local gasoline station. Typical blends of ethanol include E10 and E85…
- 10154879Mar 20, 2019In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 6% |
| 2018 | 7 | 12% |
| 2017 | 2 | 3% |
| 2016 | 4 | 5% |
| 2015 | 4 | 7% |
| 2014 | 5 | 4% |
| 2013 | 1 | 4% |
| 2012 | 4 | 4% |
| 2011 | 4 | 3% |
| 2010 | 3 | 1% |
| 2009 | 11 | 3% |
| 2008 | 5 | 5% |
| 2007 | 2 | 1% |
| 2006 | 6 | 3% |
| 2005 | 1 | 1% |
| 2004 | 6 | 4% |
| 2003 | 15 | 9% |
Other parts of the 2015 Mazda MAZDA6
17 complaintsTransmission and drivetrain
8 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsAir bags
6 complaintsElectrical system
6 complaintsBody and structure
6 complaintsEngine
4 complaintsSuspension
4 complaintsWheels
4 complaintsSteering
3 complaintsTires
3 complaintsVehicle speed control
2 complaints
← All problems reported for the 2015 Mazda MAZDA6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology