Mazda MAZDA3 owners have reported 106 other fuel system related problems since 1996. Table 1 shows the 6 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system (80 problems). The second most common problem is related to the vehicle's other fuel system pump (12 problems). For details of each of the problem category, use the links in the table.
The car leaks gas when the tank is full and if the car is inclined slightly. I've noticed the problem several month ago with an occasional odor but finally saw the gas leaking recently when it was parked on a sloped street. Read details...
The fuel sender unit, located in top of the fuel tank, has developed a crack and is causing fuel to leak. The nipple that protrudes from the fuel pump has cracked from what looks to be pressure from the connecting fuel hose. Read details...
Tl- the contact son owns a 2015 Mazda3 . The contact stated the vehicle was serviced under NHTSA campaign number:  16v684000 ( fuel system, gasoline) which may been the caused of failure. The contact stated while vehicle was in a stand still at a local gas station the gas started to Read details...
Gas leaking from back of fuel tank after filling it up. It I only fill up half way no leak Read details...
Tl- the contact owns a 2015 Mazda 3. The contact stated that while driving at various speeds the vehicle would stall with the check engine light illuminating. The vehicle was taken to the dealer where it was brought to the contacts attention that there was a recall on the vehicle. Read details...