There are 3 owner-reported fuel system complaints for the 2018 Mazda CX-9in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
When this vehicle is low on fuel (but not empty) and under heavy acceleration, the fuel pump temporarily fails causing the engine to stall. This creates a serious safety hazard. Other 2019 Mazda models were covered for a similar defect under NHTSA Campaign Number 21V-875, however this specific VIN is questionably not included under that recall.
The contact owns a 2018 Mazda CX-9. The contact stated that while pulling up to a gas pump the vehicle lost motive power and stalled. The contact added gasoline to the vehicle, restarted the vehicle, and was able to continue to drive to her residence. Several weeks later the failure recurred while the contact was pulling into a parking lot. The check engine warning light illuminated. The contact’s husband arrived at the scene and added gasoline to the vehicle. The vehicle was restarted however, the check engine warning light remained illuminated. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that the fuel pump and sensor were faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 65,000.
The contact owns a 2018 Mazda CX-9, The contact received notification of NHTSA Campaign Number: 21V875000 (Gasoline, Fuel System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
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 26, 2026