2003 Mazda B-Series Truck: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"THE ACCELERATOR PEDAL BECAME STUCK, WHICH CAUSED THE VEHICLE TO SURGE FORWARD AT A SPEED OF 55 MPH. *JB"
"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 ..."
"THE DEFROSTER IN MY VEHICLE FOGS UP MY WINDSHIELD WHEN VEHICLE IS IN USE THEN SHUT DOWN FOR APPROXIMATELY 15 TO 20 MINUTES OR WHILE DRIVING WITH FAN OFF THEN WHEN THE DEFROSTER IS ENGAGED IT FOGS UP MY WINDOW TO WHERE I CANNOT SEE OUT.*AK"
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Mazda B-Series Truck — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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