*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Parking brake
The contact owns a 2014 Mazda Mazda3. The contact stated that when attempting to secure the vehicle, the electric parking brake failed to engage after pulling up the hand lever. The contact related the failure to NHTSA Campaign Number: 17V393000 (Parking Brake); however, the VIN was not included in the recall. The vehicle was previously taken to a dealer for an unrelated recall repair, but the parking brake failure was not addressed or resolved. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 70,000.
Jul 1, 2026 · 70,000 milesFuel/propulsion system
The fuel tank leaks fuel at a full tank and smells of gas in the cabin until about 3/4 tank. Car was dripping a large puddle of gas inside of a parking garage. Problem has been reproduced by my mechanic even after replacing the fuel pump retaining ring. It has not been inspected by the manufacturer or police. CEL did not come on until recently reporting a very small EVAP leak. Inside the car and the surrounding area would smell of gasoline even if there was no leak in the ground.
May 30, 2026Parking brake
The contact's nephew owns a 2014 Mazda Mazda3. The contact stated that while parked on several occasions, the parking brake failed to engage, and there was no resistance. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 72,000.
Feb 1, 2025 · 72,000 milesBack over prevention › Rearview system braking
The rear backup sensors no longer work and did not give any indication they stopped working. They do not detect cars driving up from behind when driving or switching lanes or objects or people behind the car anymore when you reverse. This happened without any notice or warning indications.
Jul 1, 2025Air bags
Airbag warning symbol on dashboard flashes with or without passenger seated in front seat.
Nov 3, 2025Visibility › Defroster/defogger/hvac system
Blend door actuator linkage will not allow for heat to be turned on, will blow cool/cold air, have had it looked at and the gear teeth will not stay in line with on another to be able to turn when the knob inside the car is turned. I was told that this may be a recall but do not see anything listed, but that it is a known problem for this model of mazda 3 and ford expiditions
Oct 15, 2025Fuel/propulsion system
Gas tank is leaking from the TOP. I could smell gas after a refill (and refilling a portable tank) that I thought must have been a spill I hadn't noticed, and the smell faded. But then it happened again at the next refill, and I knew it wasn't just a spill. Brought it to our trusted mechanic who said that the TOP of the tank was rusted out (wow!)(so, not from road salt) and needs to be replaced. Not cheap, but worse, I'd been driving around in a very hazardous situation that Mazda knows happens. No warning lights, no recall. Thanks, guys. Here's a thread about this being a common issue: https://www.mazda3revolution.com/threads/2014-mazda3-fuel-tank-replacement.245797/
Sep 22, 2025Electrical system › Instrument panel › Speedometer/odometer
Odometer Fraud. The contact purchased a 2014 Mazda Mazda3. The contact stated that the vehicle was making an abnormal growling sound. The check engine warning light was illuminated. The contact discovered a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 140,000. The vehicle was taken to the local dealer, where it was diagnosed and determined that the motor mounts needed to be replaced. It was later discovered that the Title mileage was 197,687.
Sep 15, 2025 · 197,687 miles
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.
