There are 1 owner-reported fuel system complaints for the 2011 Mazda CX-9in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2011 MAZDA CX-9. THE CONTACT STATED THAT WHILE DRIVING AT 70 MPH, A STRONG ODOR OF FUEL FUMES WAS INSIDE THE VEHICLE AND AN ABNORMAL NOISE COULD BE HEARD FROM THE FRONT OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE TRANSFER CASE NEEDED REPLACEMENT BUT THE REPAIRS WERE NOT COMPLETED. THE CONTACT THEN TOOK THE VEHICLE TO A DEALER WHERE THE FAILURE WAS THEN CONFIRMED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 103,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026