Delivery: fuel pump
Risk. Fuel pump failure may cause an engine stall, increasing the risk of a crash.
NHTSA has logged 60 owner complaints about the 2018 Mazda MAZDA6, most often about the engine. It is covered by 2 safety recalls, and for recall 21V-875 the manufacturer reports only 84% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 3, 2026. Updated daily.
60 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 34 | 1 |
| Power train | 9 | 0 |
| Fuel/propulsion system | 4 | 0 |
| Electrical system | 4 | 1 |
| Service brakes | 4 | 0 |
| Suspension | 3 | 0 |
| Fuel system, gasoline | 3 | 0 |
| Wheels | 2 | 0 |
| Structure | 2 | 0 |
| 8 other systems | 9 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. Fuel pump failure may cause an engine stall, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mazda.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the MAZDA6 median. How we score
2018 Mazda Mazda6 4 DR FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.



Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
Cracker cylinder head at only 68,000 miles on it. No warning came on, only reason we knew it started was oil leaking really bad
I'm having an issue getting the recall serviced. Apparently, because the car's VIN number traces it's origin to [XXX], Mazda USA is unable to confirm the recall notice and the local dealership (Norcross Mazda) couldn't confirm it either when I tried to book an appointment. Mazda USA and the local…
The car only has 70k miles on it. The engine started smoking under the hood. Immediately stopped to look. There was oil leaking but I could not see from where. I took it across the street to the Toyota dealership and had them look at it. They explained to me that there was a crack in the cylinder…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.