There are 4 owner-reported fuel system complaints for the 2006 Mazda Mazda6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2006 Mazda Mazda6. The contact received notification of NHTSA Campaign Number: 21V744000 (Fuel System, Gasoline) however, the nearest dealer that was able to perform the recall repair was 3-hours away. The contact had not experienced a failure. The manufacturer was made aware of the issue and suggested that the vehicle be taken or towed to the dealer for the free one-time repair. The vehicle was not yet repaired. THE CONSUMER EXPRESSED CONCERN WITH INCURRED COST ASSOCIATED WITH THE RECALL.
The contact owns a 2006 Mazda Mazda6. The contact received notification of NHTSA Campaign Number: 21V744000 (Fuel System, Gasoline). The vehicle was taken to the local dealer and the contact was informed that the part did not fit the fuel tank. The technical advisor was contacted and informed the contact that the style fuel tank was no longer being used. The manufacturer was contacted however, no further assistance was provided. The failure mileage was unknown.
WHEN COMING OFF THE FREEWAY OR DRIVING THROUGH TOWN, THE ENGINE STARTS TO SURGE. THE ENGINE RPM IS AROUND 2000 AND WILL NOT COME TO AN IDLE. ALMOST CANNOT STOP THE VEHICLE. VERY HARD BRAKE PEDAL DUE TO LOW ENGINE VACUUM, CAUSED BY THE ENGINE RPM BEING SO HIGH. THERE IS NOT A CONSISTENT BASIS FOR THIS HAPPENING.. THE REPAIR SHOP HAS REPLACED THE THROTTLE BODY ASSEMBLY, MASS AIR FLOW SENSOR AND PURGE SOLENOID. SAME RESULTS. THE CHECK ENGINE LIGHT DOES NOT COME ON. NO CODES ARE STORED IN THE COMPUTER. THE GAS PEDAL IS NOT STICKING AND NO FLOOR MATS INTERFERING WITH THE GAS PEDAL. *JS
CAR LOSES POWER ON ACCELERATION WHEN COLD. IT BUCKS AND KICKS BACK WHEN THROTTLE IS DEPRESSED MAKING IT IMPOSSIBLE TO ACCELERATE INTO TRAFFIC. CAR NEEDS TO BE SLOWED DOWN AND SHIFTED IN 1ST IN ORDER TO ACCELERATE CAUSING POSSIBLE REAR END COLLISION PROBLEMS. SEE POST HERE FOR OTHER OWNERS REPORTING SAME ISSUE:HTTP://FORUM.MAZDA6CLUB.COM/INDEX.PHP?SHOWTOPIC=65171&ST=0 *JB
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 25, 2026