2003 Mazda B-Series Truck Fuel system Problems
- Complaints
- 3about this part
- Share
- 14%of 21 total for the year
- Median mileage
- 567miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2003 Mazda B-Series Truck, 14% of the 21 complaints for this model year. Where a mileage was given, the median is 567 miles. 2 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.
“Fuel pump gasket seal leak was determined after 567 miles on my new Mazda truck b2300. I notice the dash board engine check light on, my way to work while driving on freeway 120(manteca,ca.) and immediately exited on the first exit point and find a parking spot and called modesto Mazda dealership to informed them of the situation and talk to craig osmer and dennis hinkley about it and told me to continue my journey to work and drop the vehicle the next day not knowing the cause of the engine warning lights on? So I went ahead and went to my work on thursday the 22nd of may,2003. …”
NHTSA complaint #10021211, filed 2003-06, 567 miles“My truck sat for a while I charged the Batt. I drove to the landfill in Tehachapi Ca. It ran fine. I unloaded the trash the engine idled for 30+min. The landfill had debris on the ground. The truck ran fine back to town. I had 3/4 fuel. I decided to fill up at the Loves gas station I filled it all the way 2 clicks I think. I started up the truck after fueling it ran terribly I had a flashing check engine light. I drove home 2milles when home the truck was on 🔥 FIRE!! I turned off engine. Put lots of h20 on fire. Disconnected Batt put more h20. …”
NHTSA complaint #11567241, filed 2024-01“I was driving into the mountains of nc from sc. Smelled smoke. Realized it was coming from in between truck cab and bed. It was very difficult to put out fire as it had started to melt the plastic bed liner and plastic gas tank. Fire was caused by a 2 foot by 2 foot piece of cardboard that had fallen down between bed and cab. It was resting on the gas tank and leaning to the side on top of the muffler. I assume it caught fire as we traveled slowly up the winding road. (hwy 276) there is no shield over the muffler. …”
NHTSA complaint #10173706, filed 2006-11Related service bulletins
- 10154879Mar 20, 2019In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 3 | 14% |
| 2001 | 3 | 8% |
| 2000 | 1 | 2% |
| 1999 | 5 | 6% |
| 1998 | 2 | 3% |
| 1997 | 1 | 2% |
| 1996 | 2 | 4% |
| 1995 | 1 | 2% |
| 1994 | 21 | 17% |
| 1993 | 1 | 11% |
| 1992 | 1 | 9% |
| 1991 | 1 | 7% |
| 1990 | 4 | 25% |
Other parts of the 2003 Mazda B-Series Truck
4 complaintsAir bags
3 complaintsTransmission and drivetrain
3 complaintsExterior lighting
2 complaintsOther or unknown
2 complaintsTires
2 complaintsBrakes
1 complaintsSteering
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2003 Mazda B-Series Truck
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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