Problems · NHTSA complaints

1999 Mazda Millenia problems

Owners filed 27 complaints about the 1999 Mazda Millenia with NHTSA between Oct 1999 and May 2010. The most-cited component is electrical system (5).

Complaints
27
Filed with NHTSA
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Electrical system5
  2. Power train5
  3. Tires5
  4. Engine and engine cooling4
  5. Vehicle speed control2
  6. Air bags2
  7. Structure2
  8. Wheels1
  9. Latches/locks/linkages1
  10. Parking brake1
  11. Service brakes, hydraulic1
  12. Other / unknown3

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 8, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
19991
20004
20015
20023
20036
20042
20050
20062
20071
20080
20091
20102

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Electrical system

5 reports
“I CURRENTLY OWN A 1999 MADZA MILLENIA, WHICH I PURCHASED PRE-OWNED, IN 2002. I HAVE HAD NOTHING BUT PROBLEMS AND EXTREMELY EXPENSIVE REPAIR BILLS SINCE THAT TIME. THE CAR BREAKS DOWN/IS IN NEED OF REPAIR EVERY 3-4 MONTHS, AND IT IS ALWAYS THE SAME MAJOR PROBLEM WITH 2-5 NEW THINGS NEEDING TO BE REPAIRED AS WELL. MY LATEST REPAIR BILL, (2) WEEKS AGO, WAS TO THE TUNE OF $1280. 80. THE CHECK ENGINE CAME ON IN OCTOBER 2003 AND HAS NOT WENT OFF SINCE THAT TIME. I WAS AFRAID TO DRIVE THE CAR WHEN THIS OCCURRED, BUT I WAS TOLD IT WAS OK TO DO SO WHEN IT ONCE AGAIN IT CAME ON AFTER I TOOK IT IN FOR REPAIR TO THE TUNE OF $898.00. IT HAS BLINKED A TOTAL OF (3) TIMES WITH THE LATEST BEING ON YESTERDAY (THE AFOREMENTIONED $1280.80 REPAIR BILL WAS TO CORRECT THE BLINKING PROBLEM (2) WEEKS PREVIOUS). I HAVE REPLACED THE EGR VALVE AND SENSOR A TOTAL OF (4) TIMES, DUE TO BEING TOLD THAT THIS IS THE CAUSE OF THE CHECK ENGINE LIGHT BEING ON-WHEN IT BEGAN TO BLINK LAST MAY OF 2005, I WAS TOLD BY THE SERVICE MANAGER OF THE LOCAL MADZA DEALERSHIP 30+ MILES AWAY FROM WHERE I RESIDE, THAT HE HAD NO CLUE AS TO WHAT IT MEANS WHEN THE CHECK ENGINE LIGHT BLINKS. THAT PARTICULAR REPAIR…”
Owner complaint to NHTSAFiled Sep 19, 2006Engine and engine cooling, Electrical systemODI 10168597

Power train

5 reports
“WHILE DRIVING ON A MAJOR HIGHWAY AT 60 MILES PER HOUR THE TCS LIGHT CAME ON AND THE CAR COMPLETELY LOST POWER. IT HAD TO BE RESTARTED IN NEUTRAL WHILE DRIVING IN THE LANE OF TRAFFIC CAUSING CARS BEHIND US TO SWITCH LANES TO AVOID HITTING US. THIS OCCURRED FOUR TIMES IN A THIRTY FIVE MINUTE DRIVE TO OUR DESTINATION. THIS IS NOT THE FIRST INCIDENT AND YES, ONLY APPROXIMATELY 5 WEEKS AGO I BROUGHT MY CAR IN FOR SERVICE AT THE DEALERSHIP (JOYCE MAZDA IN NEW JERSEY ) TO HAVE THIS CORRECTED AND SPENT NINE HUNDRED DOLLARS TO HAVE THIS FIXED (APPARANTL, IT WAS NOT FIXED). I HAVE THE JOB ORDER AND RECEIPT THAT STATES THIS OCCURED BEFORE. AS THIS IS A KNOWN PROBLEM BY MAZDA AND APPARANTLY THEY HAVE NO CLUE HOW TO FIX IT, THEY ARE BEING FRAUDULANT STATING IT IS FIXED WHILE CHARGING CUSTOMERS A SUBSTANTIAL AMOUNT OF MONEY AND ALLOWING CUSTOMERS TO CONTINUE TO DRIVE AN UNSAFE VEHICLE. ARE THEY WAITING FOR PEOPLE TO BE KILLED BEFORE THIS IS CORRECTED? PLEASE ADDRESS THIS ISSUE BEFORE THERE ARE DEATHS AND NOT ONLY TO MAZDA OWNERS BUT THE RISK TO OTHERS ON HIGHWAYS WHO HAVE NO IDEA THE CAR INFRONT OF THEM HAS GONE FROM 60 TO 0.*AK”
Owner complaint to NHTSAFiled Nov 27, 2004Power trainODI 10100591

Tires

5 reports
“THE VEHICLE WAS PURCHASED IN MARCH 29, 2000 WITH 3,636 MILES ON IT. WITH LESS THAN 20K MILES, THE TREAD SEPARATED ON THE LEFT FRONT TIRE ON FRIDAY, DECEMBER 22, 2000. ON FEBRUARY 9, 2001, I TOOK THE VEHICLE IN TO BE SERVICED, INCLUDING A TIRE ROTATION AND BALANCE, 4-WHEEL ALIGNMENT. WHEN I WENT TO PICK UP THE CAR, THE RIGHT FRONT TIRE TREAD HAD SEPARATED AND THE TECHNICIAN HAD PLACED THE SPARE ON THE VEHICLE AND ADVISED THAT I NEEDED A NEW TIRE. WHEN I TOLD HIM IT WAS THE SECOND TIRE IN LESS THAN A YEAR OF OWNERSHIP, HE SAID I NEEDED TO CONTACT THE MANUFACTURER. ON FRIDAY, AUGUST 10, 2001, I HAD A THIRD OF THE ORIGINAL TIRES TREAD SEPARATE ON THE LEFT FRONT SIDE JUST 10K MILES AFTER MY ALIGNMENT. NO ONE SEEMS TO KNOW WHAT IS CAUSING THE TIRES TO WEAR EXCESSIVELY ON THE INSIDE AND SEPARATE. WHEN I TOOK THE CAR IN TO REPLACE THAT TIRE, THE TIRE DEALER INFORMED ME THAT THE LAST OF THE ORIGINAL TIRES WAS WEARING AND VERY SUSCEPTIBLE TO THE SAME TYPE OF TREAD SEPARATION. BY THE END OF THE DAY TOMORROW, I WILL HAVE SPENT OVER $600 TO PURCHASE NEW TIRES FOR A VEHICLE THAT HAS LESS THAN 31K MILES ON IT. PLEASE HELP! (TIRESIZE: 215/50R17)”
Owner complaint to NHTSAFiled Aug 13, 2001TiresODI 750375

Engine and engine cooling

4 reports
“CHECK ENGINE LIGHT CAME ON. VEHICLE HAD ONLY 50,551 MILES (1999 MAZDA MILLENIA). DEALER SAID VEHICLE NEEDED A NEW TRANSMISSION-$3175, OXYGEN SENSOR$345, CAM POSITION SENSOR AND O RING-$850. VEHICLE MILEAGE WARRANTY ENDED AT 50,000 MILES. DEALER REFUSED TO EXTEND WARRANTY FOR REPAIR. *AK”
Owner complaint to NHTSAFiled Dec 29, 2003Engine and engine cooling, Power trainODI 10051288

Vehicle speed control

2 reports
“1999 MAZDA MILLENNIA. CONSUMER STATES SUDDEN INCREASE OF SPEED *TGW THE CONSUMER STATED THE PROBLEM WITH THE SUDDEN INCREASE IN SPEED OCCURRED WHEN THE CRUISE CONTROL WAS ACTIVATED. *JB THE CONSUMER STATED SEVERAL YEARS AGO, MAZDA ISSUED NOTICES TO ITS DEALERS IDENTIFYING THE PROBLEM, BUT DIDN'T OFFER A RESOLUTION AND REFUSED TO ACCEPT RESPONSIBILITY FOR FIXING THE PROBLEM. UPDATED 09/06/11*JB”
Owner complaint to NHTSAFiled May 26, 2010Vehicle speed controlODI 10332763

Air bags

2 reports2 crashes
“1999 MAZDA MILLENIA TRAVELLING AT 60 MPH REAR-ENDED A CAR T HAT PULLED IN FRONT . NEITHER THE DRIVER OR PASSANGER AIRBAG DEPLOYED, CAUSING THE DRIVER TO COLLIDE WITH THE STEERING WHEEL RESULTING IN INJURIES. *AK”
Owner complaint to NHTSAFiled Jun 9, 2007Air bagsCrash reportedODI 10192838
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 8, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.