Other Fuel System Problems of Mazda MAZDA3 - part 1

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.

See all problems of the 2012 Mazda MAZDA3 🔎.

Anytime the tank was filled with gas there was a strong smell of gasoline vapors that persisted for several days. The car was a few months past its warranty on emissions issues and so I was charged about $1500 to replace a cracked fuel pump and fuel vent that was stuck open. The mechanic also said that the check engine light should have warned me about the problem but that neither the dashboard light nor his diagnostic equipment was triggered by the defect. He suspects the car's computer is programmed to avoid drawing attention to the problem. Had the light been working I would likely have caught the problem while it was still under warranty.

See all problems of the 2017 Mazda MAZDA3 🔎.

Gas tank is leaking. According to the records the service recall has been repaired (via a previous owner). However, what started out as fumes is now definitely a leak and the dealership will not repair under the recall a second time.

See all problems of the 2014 Mazda MAZDA3 🔎.

Noticed strong smell of gasoline when the car was parked. Took it to an independent service dealer who diagnosed leaking fuel from top of the tank. Gas tank was removed and replaced. Tank cost was $380. 00 plus repair shop labor/supplies cost. See attached invoice. During a recent online search for this vehicles current book value I noticed there was a manufactures recall issued for this same problem, that I paid to have repaired. I never received any recall notice for a leaking gas tank problem for my vehicle.

Fuel tank has corrosion that allows vapors to enter the passenger compartment.

See all problems of the 2016 Mazda MAZDA3 🔎.

I was parked in a downtown garage, and the vehicle would not start after many attempts, after about 45 minutes of trying (waiting 5 minutes between tries). The engine would turn normally and sounded like it was trying to start, but didn't fully engage. It finally did after 45 mins, and I drove it to the local Mazda dealer in honolulu. I noticed the check-engine light was on at that time (but not before the incident). They ran a diagnosis, and couldn't replicate the issue, and said it may be a battery problem with low voltage, due to the engine's error codes. But I questioned that since the engine was able to turn normally and adequately at all starting attempts. And the battery was only 2 years old. So I replaced the battery at their recommendation. About 2 hours after picking up the car from the dealer, the same issue happened again. I recorded the issue on my phone this time, and gave it to the dealer. And this time I didn't want to chance it, so had the car towed back to the same dealer. They couldn't replicate the issue immediately, but after several attempts (over a day), they finally experienced it. They said the issue is the fuel pump. I am the original owner, and had purchased the car new from a Mazda dealership, and it has less than 26k miles on it. I researched previous recalls with this same issue on Mazdas, even the same year and model, and it appears to related: [xxx] [xxx] no one was physically harmed due to this issue, but it was certainly a safety risk. If the fuel pump fails while driving, the driver could lose control of the vehicle while in motion. I have attached the invoices for the repairs. I have contacted Mazda customer experience and they assigned a case number # [xxx]. However, I was informed that the repairs are unlikely to be covered as there is no open recall on the VIN regarding this issue. Thank you. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

See all problems of the 2018 Mazda MAZDA3 🔎.

Started smelling gas fumes several weeks ago after fill ups at the gas station. Took to my mechanic who diagnosed a fuel tank leak due to rust. No warning lights present. No fuel on the ground or fumes within the cabin.

See all problems of the 2015 Mazda MAZDA3 🔎.

There is a plastic ring on top of the gas tank that holds down the fuel pump. I filled up my tank and looked under the car afterwards,at this time I noticed gas coming out from the tank until is was flushed with the top and then stopped. I pulled out the back seat,found the inspection plate and for sure this was and did happen,now nothing could be done at the time because the inspection plat hole was smaller than the ring,the tank had to be dropped. It had to be fixed,about $600. 00 later and tank filled up it was repaired. I still have the ring and pictures where the ring was cracked around the threads. Send me a e-mail address and I can send pictures and a copy of the bill. Later on I went on line and discovered that I was not the only one. This happen about 2 years back.

See all problems of the 2008 Mazda MAZDA3 🔎.

Shown engine light on dashboard and car was struggling to run while pressing the gas, took to the Mazda dealership and they told low pressure and high pressure fuel pump needs to be replaced.

See all problems of the 2019 Mazda MAZDA3 🔎.

Our fuel tank is leaking for no reason. Brought it in last year (2024) for state inspections and let them know we smell gas when we park sometimes. They poke around and find nothing, but note there is a faint gas smell and to bring it to the dealer. We take it to Mazda to see if they can fix, they find nothing and charge my wife $250. Fast-forward to a year later, go for the same state inspection and we get failed. Our mechanic says theres a noticeable gas leak from the fuel tank and to take it to Mazda. There is clearly some issue with the fuel tank parts. The car itself only has 77k miles and it is 13 years old.

Strong gas smell in the cabin.

Fuel is leaking from the top of the gas tank, which is a very dangerous issue.

See all problems of the 2010 Mazda MAZDA3 🔎.

Fuel smell after a fill-up, fuel pump is cracked/deformed exactly as described in Mazda bulletin 5321k (this bulletin excludes this model). Strong fuel smell in the cabin, liquid fuel leaking from the top of the tank.

I was driving 90km and it suddenly stopped, I almost got into it, I put the 4 flashers and I let myself go on the shoulder, then call a towing after a machine test the error code p1092 appears , when I turn on my car, it's so miserable, it starts to bubble, it doesn't want to move forward anymore, lack of strength, all the rest is marked as pass after googling around, I may have found an answer. Denso, who makes low pressure fuel pumps for a lot of different manufacturers, recalled several million of them a couple of years ago. They determined that there was a manufacturing defect that causes the pump impellers to crack and deform. Then they don't move enough gas to the front of the engine. I guess there is no pressure sensor between the tank and the high pressure fuel pump, so the problem isn't recognized by the car until the sensor in the fuel rail sees it. Several auto makers have issued recalls, including Mazda. But Mazda only went back as far as 2018. Toyota recalled cars as far back as 2013. There are now several lawsuits against various auto makers arguing that denso knew about the problem in 2015, and the recalls should go further back in time. These two articles do a good job of covering the history of the problem.

My 2017 Mazda 3 (85,000 miles) suddenly had the engine light go on and a loss of power. I’m lucky I didn’t have an accident. I took it immediately to the shop and they informed me that my low pressure fuel pump is bad. I see they have a recall on Mazda 2018–2020 fuel pumps. However, I also saw a class action lawsuit attempt to include Mazdas from previous years because the fuel pump has the same number as those cars. I had just taken my car in for routine maintenance, spark plug change, and inspection at the dealership two weeks before this incidence happened and they didn’t report anything wrong with my car.

Recently noticed the odor of unburned gasoline, both inside and outside the vehicle. When driving, the ventilation system would flush this away in a few moments, but this phenomenon is new within the past few weeks. Our mechanic (not the dealer) traced the issue to the fuel tank, where the port for the fuel pump and sensors is located on top. This area is accessible by removing the rear seat cushion and a cover plate. He showed me how the fuel pump and sensor module has rusted to the thread of the port, preventing removal of the assembly, and that the port flange itself has rusted and has pin-holes, allowing vapor to escape. He was able to put slight positive air pressure to the tank as a test, and was able to cause liquid fuel to escape from the holes. The tank was about 3/4 full at the time. This seems like a serious safety issue. The port and matching threaded parts (fuel pump / sensor module) that inserts there should be corrosion-proof. I can provide a photo of the affected area if needed; I would get the image file from my mechanic.

Since the middle of 2023 I have noticed a gas fume smell both inside and outside of my 2015 Mazda Mazda3 after I fill my gas tank to full. This smell persists up until I use about a half tank of gas or slightly less. I do not top my gas tank off and stop filling when the automatic gas pump stops. There are no visible leaks on or around the gas tank or below the vehicle, and there are no noticeable cracks around the gas tank, valves, lines, etc. Additionally, there are no warning lights present on my dashboard or any codes.

After filing up the gas tank, there is a strong smell of fuel coming from the car. It remains strong until the tank is run down to about 3/4. Gas can be seen dripping down the tank under the car. Gas drips are clearly visible on the ground. This has been an ongoing problem for approximately two years.

See all problems of the 2013 Mazda MAZDA3 🔎.

The car has a smell of fuel when filling the tank and for a long period following. My mechanic tells me the surface of the tank has decayed and that it will cost $1600 to correct. I don't have the $1600, so he told me to fill the tank only halfway, which seems to have solved the issue of the fuel smell. I can't understand how a fuel tank could decay and believe Mazda should be responsible for something that is poorly designed or improperly manufactured.

I was driving my car and it suddenly jerks a few times and the engine light turns on. I slowed down and then began to accelerate, and it was losing power and wouldn’t t go above 40mph - even while flooring the gas pedal. Now it won’t start at all. The lights turn on and everything else is fine, but car won’t start and after checking cel, I’m getting the code p0192 indicating it’s fuel rail pressure sensor low input.

The gas tank leaked gas due to corrosion on the top of the tank at the fuel pump. Strong smell of gas fumes evident and puddling of gas under the car after being driven. The problems was diagnosed at mcgrath city Mazda in chicago and also by my local garage jdh auto repair in prairie du sac, WI. The fuel tank was replaced, along with the evaporation cannister. Until their was actual leaking of gasoline, there were no signs, lights, warnings of this problem. I have retailed the old tank if you wish to inspect the tank. This car was washed on a regular basis and did not show other issues from corrosion.

I have a 2018 Mazda 3 hatchback 2. 5l with a faulty fuel pump. I bought the car 1 year old with 2k mikes on it in 2019 from jake sweeney Mazda in cincinnati ohio. They tell me the issue with power loss and stalling I need a new fuel pump it's failing cost is $1600 to repair. Then I learn a few days later on my own 121,000 2018-2109 Mazda 3 and others were recalled due to a faulty fuel pump with the exact problem I have manufactured by denso. But I'm told my VIN # isn't on the recall. The denso fuel pump is the brand. However no one at the dealership in cincinnati or columbus ohio will tell me what type of fuel pump I have. When I went to the columbus dealership I believe called byer Mazda they told me an upgrade was done (which never happened) to my fuel pump. Unless Mazda stole my car and returned it no work was ever done on my fuel pump. Only oil changes. Could an upgrade not performed and my VIN was marked as upgraded but wasn't? why do I have a faulty fuel pump withbthe exact symptoms on the exact model or exact year of my Mazda. . No one at Mazda will tell me what brand fuel pump was manufactured in my car. Neither the dealerships or the 800# I call can say what fuel pump was manufactured in my car. But they can say what was recalled based on VIN#. The car just turned 5 years old and shouldn't need a new fuel pump. Isn't this all a little suspicious especially since they cannot conveniently for them say what manufacturer fuel pump is in my car. The car has lost all power and stalls. What happens when I pay the $1600 and the fuel pump is the denso that is faulty. What then? no one will help. All of this is fishy as can be especially cause I own the exact year brand and model with the exact problem the others were recalled for. Please say to yourself this is a little fishy and ask questions instead of going by a computer. As a human being look at this as highly coincidental and needs looking into instead of dismissing me.

After topping off my fuel tank at a gas station, fuel begins to leak from the top of the tank. Prior to noticing the leak, I had noticed a strong smell of gas after topping off and driving home. Symptoms include smell of gasoline, and a gasoline puddle on the ground. The fuel appears to be leaking from the top of the fuel tank, running down the side, and dripping onto the ground. Because of other nearby components that generate heat, this is a very dangerous situation that may lead to fires. Other 2012 Mazda 3 owners have experienced the same exact situation. The following threads shows comments from various people that have experienced the issue. The component that seems to have failed is the vent hose which allows gasoline to seep to the exterior of the tank. Fuel leaks are extremely dangerous as sparks, matches, cigarettes, or other heat sources can ignite the fuel leading to a total loss. . Read more...

Fuel was leaking from car.

Car emits a very audible squeak when shifting right above 30mph and 40mph, car surges at lower and constant speeds, tach will slowly drop when applying throttle, surge slightly, then function as normal again.

See all problems of the 2021 Mazda MAZDA3 🔎.

Faulty fuel pump by factory.

Check engine light appeared then I had a dead battery. I purchased a new one and the check engine light went away for a while until now. Then I found a letter online that I never received of a recall for California vehicles that were manufactured during specific dates. Mine is listed as one but it does not have an active recall.

- after filling up the gas tank and putting the cap back on, there is a distinct smell of gasoline until some of the fuel is used up. In summary, it appears to be spilling or leaking fuel/fumes when we fill up the tank. -this is a problem when parking our car in our garage and we are concerned that it could cause a fire. - we have not yet confirmed this with a dealer or independent service center nor have we had any other entity or person confirm this. - this issue was noticed recently and within the last year or so and without any alerts and/or warning lamps. - we understand that there is a recall on the Mazda3 for model years 2014-2016 regarding the icv valve (deformed gas tank) and even though it appears to be the same issue, our vehicle doesn't fall within the recall group. - please help us determine if this is the same problem as the 2014-2016 model year recalls and if your agency will need to issue a similar recall on this model year.

The baffle in my tank has broken loose for uncertain reasons. This seems to be a common problem with Mazda and has had a recall in the 2015 models even.

See all problems of the 2011 Mazda MAZDA3 🔎.

Strong unburnt fuel smell had just started at 6700 miles. Mazda dealership stated that they would not be looking at my car and that gas smells are normal. . . After this encounter, I had 2 mechanics look at my car. Both had concluded that the smell predominantly comes from near the rear driver wheel, under the body, and that it is an extremely dangerous situation. I am a full time student and do not feel safe driving this car to class but I have no choice since Mazda is neglecting this issue. I also reported to the dealer that my brakes seem to be defective since they are causing excessive shaking when applied. Dealer informed me that they do not warranty the oem brakes that came on my car, however Mazda corporate informed me that they do. I do not feel safe driving this car knowing the car may combust and harm me and others on the road. The brakes also do not inspire confidence. A complaint has been filed with Mazda corporate.

Fuel pump, car dying out, can't turn off brake release from when it dies. Shaking when accelerating. Fuel gas issue.

See all problems of the 2020 Mazda MAZDA3 🔎.

Accelerating on the highway passing a semi-truck when I lost acceleration power. Nearly caused a serious accident at highway speeds. Engine light then came on. After the incident the car's engine would stutter when accelerated above 2000rpm. Was able to bring it to a local mechanic who diagnosed both fuel pumps as damaged and replaced. Part was not inspected by police or insurance as it did not lead to a crash.

Dealer service tech stated the high pressure and low pressure fuel pumps failed and needed replaced. My car was not included in the recall regarding fuel pumps for Mazda, so the dealer would only cover 50 percent of the cost. Service tech and warranty service rep stated that Mazda was aware that what happened to my car is a factory malfunction but because my car is out of warranty they would not cover the entire expense. My car is 3 years old and only has approximately 67,000 miles on the engine. The fuel injectors were replaced at 10,000 miles by warranty. The service tech even stated this is obviously regarding the recall of the fuel pumps and did not understand why my car was not included.

I thought I smelled gasoline when sitting in my car. I got out and inspected all around the vehicle, discovering that gasoline was leaking underneath. Both the hazardous fumes and the potential for a fire in the vehicle put me at risk. The loss of fuel on public roads could have resulted in danger to anyone behind me on the road due to the fire hazard and potential loss of traction before I noticed the problem. I immediately brought the car to my mechanic's personal shop (he is also a master mechanic at a local automotive dealership). He confirmed that the leak was gasoline and diagnosed the problem as a rusted seam near the top of the fuel tank having ruptured, allowing the leak and filling the cabin of the vehicle with fumes. I knew that the local Mazda dealership would be unable to repair this promptly, if at all, since they had just fixed the exact same problem in my mother in law's vehicle of the same make, model, and year, and had struggled to get the replacement tank for weeks due to the supply chain problems experienced during the covid-19 pandemic. Therefore, I paid my own mechanic to source and install a tank, and coat it with anti-corrosion treatment. I contacted Mazda, explained the problem, and demanded they reimburse me, as the car was only 8 years old at the time. The Mazda representative refused to do anything to help me and did not answer my subsequent emails, so I posted about this problem on the Mazda3revolution. Com forum, and discovered others have had the same problem as my mother in law and I. There were no warning signs of the problem other than the smell of gasoline.

Strong gas smell.