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Fuel systemPart report

2007 Mazda MAZDA3 Fuel system Problems

Complaints
9about this part
Share
4%of 222 total for the year
Median mileage
95,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the fuel system of the 2007 Mazda MAZDA3, 4% of the 222 complaints for this model year. Where a mileage was given, the median is 95,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“On 8/5/16 the vehicle was bought into a Mazda dealer for a gasoline odor & engine code # po455. It was determined that a split fuel pump retaining allowed the fuel pump to separate from the fuel tank causing gasoline to leak. Fortunately the vehicle did not catch on fire. Thank goodness. I may not have had a son today. The repair came to over $500.00. Mazda does not feel obligated to cover the full cost. In my opinion this is not a maintenance item but a definite safety defect.”

NHTSA complaint #10904544, filed 2016-09, 83,000 miles

“My vehicle felt shaky which caused me to swerve slightly causing my back passenger tire to run over a curb. After the scare it seemed to drive like normal. I only had about a 5 minute drive to work. When getting to work, after being inside a few minutes, a coworker pointed out that smoke was coming from the car. I went with a coworker to check, we opened the hood and flames were present in the front close to where the belts are. We quickly put out the flames with a fire extinguisher, and I have not touched the vehicle. This happened on 5/03/19.”

NHTSA complaint #11218023, filed 2019-06, 103,000 miles

“My brake light housing is melted on both sides. The brake light bulb is melted into the brake light sockets on both the left and right brake lights. I noticed while driving in the city and cars were flagging me to tell me my brake lights are out. I pulled into a auto shop to check and both sides were melted. I had my car since 2013 and everything was original stock. My check engine light flashes and when I had it checked they said it may be faulty fuel pump, because that's the only code that shows and I already had everything replaced. …”

NHTSA complaint #10948368, filed 2017-01, 139,000 miles

“Fuel propulsion system cracked at coupling under the rear passenger seat spewing massive amounts of fuel into the cab soaking the rear seat pad fire risk present with electric plug there struts are unstable and noisy vvt makes noise when started, grinding in front hubs. Vehicle has some of these problems driving and parked. Airbags system non active. Other issues unknown but possible 35.”

NHTSA complaint #10937314, filed 2016-12, 92,000 miles

“2007 Mazda 3 gas cap vehicle failed state car inspection. Parts department at dealerships having a problem keeping part in stock. Have been told by dealership that Mazda updated gas cap in end of 2007 knowing that there was a defect.. Talked to service dept, every 2007 Mazda 3 that is now going through it's first inspection has failed. Could cause engine problems in future. Mazda will not replace gap, only sell new ones. Mazda has not notified owners of problems.”

NHTSA complaint #10246373, filed 2008-10, 63,456 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
202124%
202026%
2019811%
20181110%
201734%
201666%
20151411%
20142417%
201322%
20122210%
201132%
201071%
200954%
200893%
200794%
200642%
200566%
200475%

Other parts of the 2007 Mazda MAZDA3

Steering
89 complaints
Air bags
36 complaints
Engine
22 complaints
Electrical system
19 complaints
Brakes
17 complaints
Transmission and drivetrain
17 complaints
Suspension
14 complaints
Exterior lighting
12 complaints
Tires
10 complaints
Body and structure
9 complaints
Vehicle speed control
9 complaints
Electronic stability control
8 complaints

← All problems reported for the 2007 Mazda MAZDA3

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology