general problems of the 2018 Mazda MAZDA3

The contact owns a 2018 Mazda Mazda3. The contact stated that while the vehicle was parked, the contact became aware of a strong fuel odor around the exterior of the vehicle and inside the vehicle. The contact stated that the failure had occurred after refueling. No warning lights were illuminated. The dealer was made aware of the failure, and an appointment was scheduled for a diagnostic test. The dealer had to reschedule the appointment due to a scheduling issue. The vehicle was taken to an independent mechanic, where it was diagnosed with a crack in the top of the fuel pump. The contact was informed that the fuel pump needed to be replaced, and the vehicle was being repaired. The contact referenced an unknown recall with a similar failure; however, the VIN was not associated. The manufacturer was made aware of the failure and a case was filed. The contact was informed that the vehicle needed to be taken to a dealer for a diagnostic test. The repair coverage was denied because the vehicle was not repaired by a dealer. The failure mileage was 179,550.

The contact’s sister owns a 2018 Mazda Mazda3. The contact stated that while driving at various speeds, the vehicle stalled. The contact also stated that while attempting to depress the accelerator pedal, the vehicle failed to respond as intended. The vehicle was taken to a local dealer where it was diagnosed with a defective fuel pump. The vehicle was repaired, and the contact related the failure to NHTSA campaign number: 21v875000 (fuel system, gasoline); however, the VIN was not included. The manufacturer was made aware of the failure; however, no assistance was provided. The failure mileage was approximately 51,000.

The contact owns a 2018 Mazda Mazda3. The contact stated that while driving uphill at 45 mph, the vehicle sputtered, hesitated to accelerate, and the check engine warning light illuminated. When the contact firmly depressed the accelerator pedal, the engine made a knocking noise, and the vehicle stalled. Diagnostic testing at autozone retrieved dtc related to the knock sensor. The vehicle underwent a tune-up, and the knock sensors and ignition coils were replaced; however, the failure persisted. While driving, the vehicle hesitated and failed to exceed 40 mph. The contact pulled over, restarted the vehicle, and drove to the residence with the hazard lights activated. The vehicle was taken to the dealer, where NHTSA campaign number: 23v487000 (back over prevention) was completed. The contact associated the engine hesitation and stalling failures with NHTSA campaign numbers: 17v745000 (engine and engine cooling) and 21v875000 (fuel system, gasoline); however, the dealer informed the contact that the VIN was excluded from both recalls. The manufacturer was notified of the failure by phone. The failure mileage was approximately 100,000.