Problems · by component

1999 Mazda 6 Series power train problems

234 owner complaints to NHTSA about the 1999 Mazda 6 Series cite power train, 73% of all 320 complaints for this model year.

Complaints
234
73% of all complaints
Crashes
2
Reported by owners
Fires
1
Reported by owners
Injuries
1
Reported by owners
01 —Owner reports

What owners say about the power train

Verbatim from NHTSA complaints, newest first
“THE TRANSMISSION STARTED ACTING UP WHICH IS APPARENTLY A KNOWN ISSUE BY MAZDA THAT THE TRANSMISSION WILL MALFUNCTION CAUSING THE TRANSMISSION TO GO BAD. THIS BS WITH IT COST MY WIFE HER JOB”
Owner complaint to NHTSAFiled Jan 30, 2016Power trainCrash reportedODI 10823272
“PURCHASED A 1999 MAZDA 626 IN FEBRUARY OF 2003 WITH 28,000 MILES. CAR HAS BEEN GREAT UNTIL RECENTLY IN 2009 THE TRANSMISSION HAS STARTED TO DEVELOP PROBLEMS. IT NOW SLIPS IN SECOND GEAR, I CANNOT DRIVE ON THE INTERSTATE FOR FEAR THAT THE INFAMOUS O/D OFF LIGHT WILL START TO FLASH AND LEAVE ME STRANDED IN THE MIDDLE OF NOWHERE. THIS OCCURS SOMETIMES AFTER A SHORT PERIOD OF MAYBE 30 MINUTES OR MORE DRIVING 70 MPH, AND SOMETIMES AT 65MPH. WHEN IT DOES HAPPEN, THE CAR LOOSES POWER, AND BURNS UP THE TRANSMISSION FLUID. ALSO WHEN IT HAPPENS, YOU RISK THE CHANCE OF NEARLY BLOWING THE TRANSMISSION, BEING RUN OFF THE ROAD, BEING FORCED TO STOP IN THE MIDDLE OF NOWHERE, AND BEING IN A SERIOUS ACCIDENT, BECAUSE THE CAR ALL OF SUDDEN STOPS MOVING!THIS IS SO SAD THAT I CANNOT REALLY ENJOY MY VEHICLE, AS WELL AS MANY OTHERS HERE! MAZDA HAS NOT EVEN ACKNOWLEDGED THE OTHER RECALLS ON THIS VEHICLE, AND THEY DON'T STAND BEHIND THEIR PRODUCT. MAZDA IS A POOR INVESTMENT, AND THEY NEED TO ISSUE A RECALL ON THESE TRANSMISSIONS THAT THEY KNOW ARE A PIECE OF CRAP! I WILL NEVER EVER BUY ANOTHER MAZDA AGAIN! *TR”
Owner complaint to NHTSAFiled Feb 13, 2012Power trainODI 10447715
“TL* THE CONTACT OWNS A 1999 MAZDA 626. THE CONTACT STATED HAT THE OVERDRIVE WARNING LIGHT ILLUMINATED SPORADICALLY, CAUSING THE VEHICLE TO SHIFT FROM FOURTH TO SECOND GEAR. AS A RESULT, THE TRANSMISSION WAS DESTROYED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS ADVISED THAT THE OVERDRIVE FAILURE RUINED THE MOTOR AND THAT THE TRANSMISSION WOULD NEED REPLACING. THE FAILURE AND CURRENT MILEAGES WERE 105,000. UPDATED 10/28/11*LJ”
Owner complaint to NHTSAFiled Oct 12, 2011Power trainODI 10429634
“I HAD THE TRANSMISSION REPLACED AT ABOUT 65,000 MILES. THE REPLACEMENT TRANSMISSION IS VERY JERKY AND SHIFTS VERY HARD, AND I WOULD NOT BE SURPRISED IF IT FAILED AGAIN AT SOME POINT IN THE FUTURE. APPARENTLY, THE AUTOMATIC TRANSMISSION FOR THIS MODEL HAS A HIGH RATE OF FAILURE. TRANSMISSION PROBLEMS CAN BE POTENTIALLY DANGEROUS AND VERY COSTLY TO REPAIR; MAZDA SHOULD ISSUE A RECALL. *TR”
Owner complaint to NHTSAFiled Apr 28, 2011Power trainODI 10398081
“TL* THE CONTACT OWNS A 1999 MAZDA 626. THE CONTACT WAS DRIVING 65 MPH WHEN THE GEARS BECAME STUCK, THE VEHICLE DECELERATED AND THE RPMS INCREASE GREATLY. THE VEHICLE WAS TOWED TO A LOCAL REPAIR SHOP WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION WAS DEFECTIVE AND WOULD NEED TO BE REPLACED. THE MANUFACTURER WAS CONTACTED WHO DID NOT OFFER ANY ASSISTANCE SINCE THE VEHICLE WAS NOT INCLUDED IN ANY RECALLS. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 113,000.”
Owner complaint to NHTSAFiled Apr 27, 2011Power trainODI 10398061
“THE MAZDA 626 TRANSMISSION IS NOT KNOWN FOR ITS RELIABILITY. IT FACT, THERE HAVE BEEN NUMEROUS COMPLAINTS ABOUT PROBLEMS ENCOUNTERED WITH THE MAZDA 626 TRANSMISSION. A COMMON PROBLEM ON THE VEHICLE IS THE FAILURE OF THE AUTOMATIC TRANSMISSION. WHEN THIS FAILS, THIS MAY CAUSE THE OVERDRIVE LIGHT TO FLASH. OTHER PROBLEMS INCLUDE SLIPPING AND VIBRATION. NOT UNDERSTANDING WHY THERE ARE NO RECALLS ON THIS PRODUCT BEING THAT THIS HAS BEEN GOING ON FOR YEARS WHY IS MAZDA NOT LIABLE FOR THIS ISSUE....... *TR”
Owner complaint to NHTSAFiled Aug 28, 2010Engine and engine cooling, Power trainODI 10352506

Showing 6 of 234 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026NHTSA vehicle page

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

Other 1999 6 Series problem areas