Investigation PE03047: 2003 Mazda MAZDA6
- Status
- CLOSED
- Opened
- Oct 14, 2003
- Closed
- Dec 24, 2003
- Model years
- 2003
Subject
Fuel tank sending unit seal leak
Component: Fuel system, gasoline › Delivery › Fuel pump
Summary
In some of the subject vehicles, the fsu lock ring seal may have been installed improperly.the fuel tank may be assembled with insufficient compression on the fsu lock ring seal due to cross-threading the lock ring, the seal may be out of position at the time of installation,or the fuel tank may be assembled with insufficient compression on the seal due to distortion of the tank shell.each of these conditions may result in fuel leakage and in the presence of a source of ignition, a vehicle fire could potentially occur.mazda will conduct a safety recall campaign to correct fsu seal installation problems in the subject vehicles.mazda dealers will inspect the top of the fuel tank and, if necessary, repair or replace the fsu lock ring, fsu lock ring seal, or tank.
An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.
Model years covered
- 2003 Mazda MAZDA6174 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.